{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.brown","code":"thing-q47071","url":"https://ver.cy/models/thing/q47071/","name":"brown","alternateNames":["stout","putty","cork","amphora","RAL 050 30 30","madder brown","purplish brown","tile red","neon carrot","green-brown","brownish","snuff brown"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.QLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A composite colour of dark orange, red or yellow hues with low lightness, seen in wood, soil and leather, with shades from putty to madder brown.","purpose":"Let an agent specify brown precisely and understand it as a dark or desaturated warm hue rather than a spectral colour.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Not a spectral colour; a dark orange or red","Depends on context and surround","Common earth pigments","Stout and cork aliases refer to shades"],"structure":{"bundles":[{"id":"specification","name":"Specification","description":"Which brown.","layers":[{"id":"value","name":"Value","description":"Colour space.","findings":[{"id":"value-finding","name":"Value","description":"Colour value.","questions":[{"text":"Which exact brown, in which colour space?","kind":"measurement"},{"text":"Which named shade?","kind":"definition"}]}]},{"id":"nature","name":"Nature","description":"Why brown is special.","findings":[{"id":"nature-finding","name":"Nature","description":"Perceptual nature.","questions":[{"text":"Why is brown not a spectral colour?","kind":"definition"},{"text":"How does surround change it?","kind":"boundary"}]}]}]},{"id":"pigments","name":"Pigments","description":"Making brown.","layers":[{"id":"earth","name":"Earth pigments","description":"Umber, sienna.","findings":[{"id":"earth-finding","name":"Pigment","description":"Pigments.","questions":[{"text":"Which pigment makes it?","kind":"definition"},{"text":"Is it lightfast?","kind":"measurement"}]}]},{"id":"mixing","name":"Mixing","description":"From primaries.","findings":[{"id":"mixing-finding","name":"Mixing","description":"Mixing.","questions":[{"text":"How can it be mixed?","kind":"action"},{"text":"In which medium?","kind":"definition"}]}]}]},{"id":"design","name":"Design","description":"Use.","layers":[{"id":"meaning","name":"Meaning","description":"Associations.","findings":[{"id":"meaning-finding","name":"Meaning","description":"Associations.","questions":[{"text":"What does brown suggest in this culture?","kind":"definition"},{"text":"Is it tied to a brand?","kind":"boundary"}]}]},{"id":"contrast","name":"Contrast","description":"Readability.","findings":[{"id":"contrast-finding","name":"Contrast","description":"Contrast.","questions":[{"text":"Does it have enough contrast?","kind":"measurement"},{"text":"Does it meet WCAG?","kind":"boundary"}]}]}]},{"id":"names","name":"Names","description":"Shade names.","layers":[{"id":"shades","name":"Shades","description":"Named browns.","findings":[{"id":"shades-finding","name":"Shades","description":"Named shades.","questions":[{"text":"What does a named shade such as cork mean?","kind":"definition"},{"text":"Which system defines it?","kind":"provenance"}]}]},{"id":"translation","name":"Translation","description":"Across languages.","findings":[{"id":"translation-finding","name":"Translation","description":"Colour words.","questions":[{"text":"How do languages divide the brown range?","kind":"definition"},{"text":"How should names be translated?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Name and match shades of brown using a stated colour system.","Describe the colour of objects in images or samples."],"mustNot":["Use skin colour to classify or rank people.","Misreport colour where it matters for safety or quality, such as in food or wiring.","Present one colour name as universal when languages divide colours differently."],"requiresHuman":["Using colour as a basis for decisions about people."]},"ethics":{"considerations":["Colour terms for skin have been used to discriminate.","Colour perception differs between people, including those with colour vision deficiency."],"affectedParties":["People described by colour","People with colour vision deficiency"]},"owners":{"steward":"Nobody: a colour held in common.","roles":[],"masterSystems":[]},"relations":[{"target":"Q1075","type":"parent","note":"registry parent class"},{"target":"color","type":"related","note":"hue family"},{"target":"pigment","type":"related","note":"earth pigments"},{"target":"orange and red","type":"related","note":"hues"},{"target":"design","type":"related","note":"application"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.brown","Wikidata: Q47071 (https://www.wikidata.org/wiki/Q47071)","RAL code: 8000 series industrial browns"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Dark warm hues","Named shades such as cork or madder brown","RAL and other system codes","The colour of wood, soil, chocolate and leather."]},"capabilities":{"applicability":"required","items":["specify it in a colour space","mix it from pigments","use it in design","check contrast"]},"hazards":{"applicability":"required","items":["Poor contrast of brown text on dark backgrounds"]},"interfaces":{"applicability":"required","items":["WCAG contrast"]},"context":{"applicability":"required","items":["Describing and designing with earthy tones.","shades: tan, chocolate, umber, sienna","earth pigments such as umber and sienna","named shades in colour systems"]}},"sources":[{"title":"Wikidata item Q47071: brown","url":"https://www.wikidata.org/wiki/Q47071","note":"identity and sense of the item"},{"title":"Wikipedia: Brown","url":"https://en.wikipedia.org/wiki/Brown","note":"general description of the item"}],"openQuestions":["Which reference brown should be used?","How should context-dependence be explained?","Should earth pigments be separate entries?"],"resources":{"spec":"/models/things/publications/thing-q47071/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q47071/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T06:37:34Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:00+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}