{ "model": { "rank": 10243, "code": "thing-q372948", "model_id": "vr.tr.hue", "name": "hue", "purpose": "Let an agent explain hue as a colour attribute, relay its definition in colour science and colour models from technical references, describe how shades of named colours relate to hue, and distinguish hue from saturation, lightness, shade and the everyday sense of colour.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q372948/", "tier": 2, "score": 45, "payload": { "layer": "wikidata", "aliases": [ "shades of chartreuse", "shade of lavender", "shade of magenta", "shade of brown", "shade of violet", "shade of pink", "shade of orange", "shade of gray", "shades of azure", "shade of black", "shade of blue", "shade of purple", "shade of red", "shade of yellow", "shade of cyan", "ultramarine", "zomp" ], "aliasCount": 17, "merged": 17, "knownIn": 45, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.hue", "source": { "dataset": "wikidata", "item": "Q372948", "url": "https://www.wikidata.org/wiki/Q372948", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T05:44:28Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 3, "engine": "claude" }, "metaModel": { "id": "THING-Q372948", "registryId": "vr.tr.hue", "name": "hue", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q372948/", "model": { "registry_id": "vr.tr.hue", "name": "hue", "purpose": "Let an agent explain hue as a colour attribute, relay its definition in colour science and colour models from technical references, describe how shades of named colours relate to hue, and distinguish hue from saturation, lightness, shade and the everyday sense of colour.", "definition": "The attribute of a colour that distinguishes it as red, yellow, green, blue, purple or intermediate, corresponding to the dominant wavelength of light and represented as an angle on a colour wheel, independent of saturation and lightness, so that shades, tints and tones of a hue such as brown, pink, lavender, magenta, violet or chartreuse share the same or neighbouring hue positions; hue is a component of colour models such as HSL and HSV and of colour naming across languages.", "what_it_is_for": "Not applicable; a colour attribute.", "affordances": [ "explain the attribute", "relay colour models", "describe named colour families", "distinguish related attributes" ], "distinguishing_features": [ "Wavelength-related", "Circular arrangement", "Independent of saturation and lightness", "Basis of colour names" ], "appearance": "Not a visible object as an attribute; the colour wheel position of a colour.", "visual_identification": [ "Colour attribute of redness, yellowness, greenness or blueness", "Hue angle in HSL and HSV; shades of brown, pink, lavender, magenta, violet, chartreuse", "Saturation is purity; lightness is brightness; a shade is a hue darkened" ], "physical_properties": [ { "quantity": "hue angle range", "typical_range": "0-360", "unit": "degrees", "note": "in HSL and HSV" }, { "quantity": "visible wavelengths", "typical_range": "about 380-750", "unit": "nm", "note": "" }, { "quantity": "non-spectral hues", "typical_range": "purples and magentas", "unit": "note", "note": "mixtures of red and blue" } ], "families_and_kinds": [ "spectral hues from red to violet", "non-spectral hues such as magenta", "hue in HSL, HSV and Munsell systems", "hue in CIELAB and CIECAM models", "named colour families and their shades such as brown, pink, lavender, violet and chartreuse" ], "related_models": [ { "relation": "is a kind of", "target": "quality", "why": "in registry terms" }, { "relation": "is a component of", "target": "HSL and HSV", "why": "colour models" }, { "relation": "is contrasted with", "target": "saturation", "why": "and lightness" }, { "relation": "is related to", "target": "dominant wavelength", "why": "in colorimetry" } ], "identifiers": [], "standards_and_regulation": [ "CIE colorimetry standards", "Munsell and other colour order systems", "ISO colour standards for industry" ], "failure_modes_and_hazards": [ "Confusing hue with colour, shade or tint", "Assuming hue names are universal across languages", "Colour vision deficiency affecting hue perception" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What hue is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is hue, and how does it differ from saturation, lightness, shade and tint?", "kind": "definition" }, { "text": "Is the question about hue as an attribute, a colour model or a named colour?", "kind": "boundary" } ] } ] }, { "id": "wheel", "name": "Wheel", "description": "Colour wheel and models.", "findings": [ { "id": "wheel-finding", "name": "Wheel", "description": "Wheel.", "questions": [ { "text": "How is hue represented on the colour wheel and in HSL, HSV, Munsell and CIELAB?", "kind": "definition" }, { "text": "Which entry fits the specific model?", "kind": "action" } ] } ] } ] }, { "id": "science", "name": "Science", "description": "Perception and measurement.", "rationale": "Science.", "layers": [ { "id": "perception", "name": "Perception", "description": "Perception.", "findings": [ { "id": "perception-finding", "name": "Perception", "description": "Perception.", "questions": [ { "text": "How do cone cells and opponent processes produce hue perception, and what are unique hues?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "measurement", "name": "Measurement", "description": "Measurement.", "findings": [ { "id": "measurement-finding", "name": "Measurement", "description": "Measurement.", "questions": [ { "text": "How is hue measured in colorimetry, and what is dominant wavelength?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "apply", "name": "Apply", "description": "Applications.", "rationale": "Application.", "layers": [ { "id": "design", "name": "Design", "description": "Design and art.", "findings": [ { "id": "design-finding", "name": "Design", "description": "Design.", "questions": [ { "text": "How do designers and artists use hue in colour schemes and harmony?", "kind": "provenance" }, { "text": "Which entry fits colour theory?", "kind": "action" } ] } ] }, { "id": "names", "name": "Names", "description": "Colour names.", "findings": [ { "id": "names-finding", "name": "Names", "description": "Names.", "questions": [ { "text": "How do named colours such as brown, pink, lavender, magenta, violet and chartreuse relate to hue, and how do languages differ?", "kind": "provenance" }, { "text": "Which entry fits the specific colour?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Culture and history.", "rationale": "Context.", "layers": [ { "id": "culture", "name": "Culture", "description": "Culture.", "findings": [ { "id": "culture-finding", "name": "Culture", "description": "Culture.", "questions": [ { "text": "How do cultures and languages divide the hue circle, as linguists and anthropologists report?", "kind": "provenance" }, { "text": "Which entry fits colour term?", "kind": "action" } ] } ] }, { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did Newton, Goethe, Munsell and others develop the understanding of hue?", "kind": "provenance" }, { "text": "Which entry fits the history of colour theory?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should HSL and HSV and colour wheel be separate primary entries?", "How should colour science references be linked?", "The registry entry has merged aliases naming shade families; should they be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a hue, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain hue as a colour attribute, relay its definition in colour science and colour models from technical references, describe how shades of named colours relate to hue, and distinguish hue from saturation, lightness, shade and the everyday sense of colour.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: shades of chartreuse, shade of lavender, shade of magenta, shade of brown, shade of violet, shade of pink, shade of orange, shade of gray, shades of azure, shade of black, shade of blue, shade of purple.", "17 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 45 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a hue, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "shades of chartreuse", "shade of lavender", "shade of magenta", "shade of brown", "shade of violet", "shade of pink", "shade of orange", "shade of gray", "shades of azure", "shade of black", "shade of blue", "shade of purple" ] } ], "standing": "Described in 45 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 17 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one hue from another, and a hue from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a hue sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a hue from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a hue passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a hue between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a hue, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a hue is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What hue is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of hue are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is hue operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of hue and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of hue?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as hue?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a hue came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a hue and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a hue is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a hue, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a hue, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a hue is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }