{"uid":"cap_5HuswGe4d29Fah3yY6Dgx","slug":"color-blindness-simulator-3c0f2953","name":"Color Blindness Simulator","description":"Simulate how a color appears to viewers with protanopia (red-blind), deuteranopia (green-blind), or tritanopia (blue-blind) — the three dichromacy types covering ~8% of men and ~0.5% of women. Returns the simulated RGB plus the contrast ratio agai...","url":"https://agent402.tools/api/color-blindness","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"color":{"type":"string","description":"Color to simulate."},"compareTo":{"type":"string","description":"Optional second color - both are simulated and the contrast ratio between the simulated pair is included."}}},"responseSchema":{"type":"json","example":{"input":"#1d4ed8","compareTo":"#22c55e","simulations":{"protanopia":{"hex":"#3f3fcb","originalContrast":1.93,"simulatedContrast":5.42},"tritanopia":{"hex":"#2050a4","originalContrast":1.93,"simulatedContrast":1.41},"deuteranopia":{"hex":"#494bcb","originalContrast":1.93,"simulatedContrast":4.12}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xVEbDbVppGpHGHdnarwhk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Simulates how a color appears to viewers with protanopia, deuteranopia, or tritanopia, returning the simulated RGB value and optional contrast ratio against a second color.","exampleAgentPrompt":"Simulate how the color #E63946 appears to someone with protanopia, and also compare it against #457B9D so I can see the contrast ratio between the two as a color-blind viewer would experience it.","exampleUseCases":null,"resultDescription":"Returns the simulated RGB color value for the given color as perceived under the specified dichromacy type (protanopia, deuteranopia, or tritanopia), and if a second color is provided, also returns the simulated RGB for that color and the contrast ratio between the two simulated colors.","failureModes":["Invalid color string format returns an error","Unsupported color blindness type not recognized","Missing required color field returns validation error","Payment not attached or insufficient USDC returns 402"],"whenToPreferThis":"Use this endpoint when you need to simulate how specific colors appear to users with one of the three dichromacy types (protanopia, deuteranopia, tritanopia) and optionally compute contrast ratios between a color pair as perceived by color-blind viewers — ideal for accessibility audits and UI/UX design validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:06.936Z","isFirstParty":false}