{"slug":"agentstoolshub-com-api-v1-media-contrast-check-d1268f","title":"Compute the WCAG 2.1 contrast ratio between a text and background color with pas","host":"agentstoolshub.com","method":"GET","resource":"https://agentstoolshub.com/api/v1/media/contrast-check","category":"other","description":"Compute the WCAG 2.1 contrast ratio between a text and background color with pass/fail against every accessibility threshold: AA and AAA for normal and large text, plus the 3:1 UI-component minimum. Exact luminance math — the check every design system needs. Use this when an agent needs to contrast ","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":259,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"background":"#10b981","foreground":"#ffffff"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"background":{"description":"Background color","type":"string"},"foreground":{"description":"Text color","type":"string"}},"required":["foreground","background"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":259,"error":null}],"description_full":"Compute the WCAG 2.1 contrast ratio between a text and background color with pass/fail against every accessibility threshold: AA and AAA for normal and large text, plus the 3:1 UI-component minimum. Exact luminance math — the check every design system needs. Use this when an agent needs to contrast ratio + AA/AAA pass/fail.","last_updated":"2026-10-17T23:31:10.752Z","schemes":["exact"]}