{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.grey","code":"thing-q42519","url":"https://ver.cy/models/thing/q42519/","name":"grey","alternateNames":["brownish gray","taupe","gris souris","greige","quarry","battleship grey","davy's grey","RAL 250 70 10","china blue","swarthy","lead grey","pale grey"],"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":"An achromatic colour between black and white in its strict sense, with many shades; everyday colour names also include tinted greys such as battleship grey, taupe and greige, which can contain chromatic components and are not necessarily achromatic; spelled gray in American English.","purpose":"Let an agent handle grey by colour specification, contrast, uses and cultural meaning.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Between black and white","Neutral or tinted","Common in interfaces","Low-contrast grey text harms readability"],"structure":{"bundles":[{"id":"specification","name":"Specification","description":"Which grey.","layers":[{"id":"code","name":"Code","description":"Colour system.","findings":[{"id":"code-finding","name":"Code","description":"Colour specification.","questions":[{"text":"Which colour system and value define this grey?","kind":"definition"},{"text":"Is it warm, cool or neutral?","kind":"definition"}]}]},{"id":"lightness","name":"Lightness","description":"Value.","findings":[{"id":"lightness-finding","name":"Lightness","description":"Lightness.","questions":[{"text":"How light or dark is it?","kind":"measurement"},{"text":"On which scale?","kind":"definition"}]}]}]},{"id":"design","name":"Design","description":"Contrast.","layers":[{"id":"contrast","name":"Contrast","description":"Legibility.","findings":[{"id":"contrast-finding","name":"Contrast","description":"Contrast.","questions":[{"text":"Does grey text meet contrast guidelines on this background?","kind":"boundary"},{"text":"What ratio?","kind":"measurement"}]}]},{"id":"palette","name":"Palette","description":"Neutrals.","findings":[{"id":"palette-finding","name":"Palette","description":"Palette.","questions":[{"text":"How should greys be combined in a palette?","kind":"action"},{"text":"Do tints clash with accents?","kind":"boundary"}]}]}]},{"id":"materials","name":"Materials","description":"Paint and finish.","layers":[{"id":"paint","name":"Paint","description":"Matching.","findings":[{"id":"paint-finding","name":"Paint","description":"Paint matching.","questions":[{"text":"Which paint matches this grey?","kind":"action"},{"text":"Under which lighting?","kind":"boundary"}]}]},{"id":"finish","name":"Finish","description":"Gloss.","findings":[{"id":"finish-finding","name":"Finish","description":"Finish.","questions":[{"text":"How does finish change the appearance?","kind":"definition"},{"text":"Which finish suits the use?","kind":"action"}]}]}]},{"id":"culture","name":"Culture","description":"Meaning.","layers":[{"id":"symbolism","name":"Symbolism","description":"Associations.","findings":[{"id":"symbolism-finding","name":"Symbolism","description":"Symbolism.","questions":[{"text":"What does grey signify in this context?","kind":"provenance"},{"text":"Is it linked to neutrality or age?","kind":"definition"}]}]},{"id":"spelling","name":"Spelling","description":"Grey or gray.","findings":[{"id":"spelling-finding","name":"Spelling","description":"Spelling.","questions":[{"text":"Which spelling fits the variety of English?","kind":"definition"},{"text":"Are both used in names?","kind":"definition"}]}]}]}]},"agentConduct":{"may":["Describe and specify grey in a stated colour system.","Check that grey text has enough contrast to be readable."],"mustNot":["Use low-contrast grey text that people with low vision cannot read.","Present one shade name as a standard where it is not."],"requiresHuman":["Choosing colours for safety-critical displays."]},"ethics":{"considerations":["Low-contrast design excludes people with visual impairments.","Colour naming varies between cultures and languages."],"affectedParties":["People with low vision","Readers of screens and print"]},"owners":{"steward":"Nobody: a colour held in common.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11567360","type":"parent","note":"registry parent class"},{"target":"achromatic color","type":"related","note":"category"},{"target":"black and white","type":"related","note":"colours"},{"target":"colour systems","type":"related","note":"standards"},{"target":"design","type":"related","note":"application"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.grey","Wikidata: Q42519 (https://www.wikidata.org/wiki/Q42519)","sRGB hex: #808080 (CSS gray) screen colour"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["sRGB values with equal channels for neutral grey","Named greys such as taupe or greige","Spelling grey or gray","Neutral colours from light to dark, sometimes tinted warm or cool."]},"capabilities":{"applicability":"required","items":["specify grey values","check contrast of grey text","choose warm or cool greys","match paint colours"]},"hazards":{"applicability":"required","items":["Low-contrast grey text","Mismatched greys under different light"]},"interfaces":{"applicability":"required","items":["WCAG contrast guidelines","CIE colorimetry"]},"context":{"applicability":"required","items":["Design, backgrounds, text, materials and symbolism.","neutral greys","warm greys such as greige","cool greys","named greys such as battleship grey"]}},"sources":[{"title":"Wikidata item Q42519: grey","url":"https://www.wikidata.org/wiki/Q42519","note":"identity and sense of the item"},{"title":"Wikipedia: Grey","url":"https://en.wikipedia.org/wiki/Grey","note":"general description of the item"}],"openQuestions":["Should named greys be separate entries?","How should paint systems be linked?","How should spelling variants be handled?"],"resources":{"spec":"/models/things/publications/thing-q42519/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q42519/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T08:54:20Z","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 2026-10-07T10:10:30+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}}