{
  "x402Version": 2,
  "id": 810,
  "slug": "810",
  "resource": "https://keyronne.com/api/color",
  "description": "Parse any CSS color (hex, rgb(), hsl()) and emit all three formats plus relative luminance. Compute WCAG contrast ratios against a background with AA/AAA pass-fail for normal and large text, and lighten, darken, or mix colors. Built for agents generating accessible UI themes. POST a JSON body like: {\"color\":\"#3498db\",\"background\":\"#ffffff\"}",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xB86F95EF5FA904318Ea9Df3b59AdCe099b478fC4",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "background": "#ffffff",
            "color": "#3498db"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "contrast": {
              "against": "#ffffff",
              "largeTextAA": false,
              "normalTextAA": false,
              "ratio": 2.59
            },
            "hex": "#3498db",
            "hsl": {
              "h": 204,
              "l": 53.1,
              "s": 70
            },
            "input": "#3498db",
            "luminance": 0.2831,
            "rgb": {
              "a": 1,
              "b": 219,
              "g": 152,
              "r": 52
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "properties": {
              "body": {
                "properties": {
                  "background": {
                    "description": "Optional second color for a WCAG contrast check.",
                    "type": "string"
                  },
                  "color": {
                    "description": "A color: \"#3498db\", \"rgb(52,152,219)\", or \"hsl(204,70%,53%)\".",
                    "type": "string"
                  },
                  "darken": {
                    "description": "Decrease lightness by this many percent (0-100).",
                    "type": "number"
                  },
                  "lighten": {
                    "description": "Increase lightness by this many percent (0-100).",
                    "type": "number"
                  },
                  "mix": {
                    "description": "Blend the color toward this one.",
                    "type": "string"
                  },
                  "weight": {
                    "default": 0.5,
                    "description": "Mix weight toward \"mix\".",
                    "maximum": 1,
                    "minimum": 0,
                    "type": "number"
                  }
                },
                "required": [
                  "color"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "type": "object"
          },
          "output": {
            "properties": {
              "adjusted": {
                "description": "Present when lighten/darken is given.",
                "type": "string"
              },
              "contrast": {
                "description": "Present when \"background\" is given.",
                "type": "object"
              },
              "hex": {
                "type": "string"
              },
              "hsl": {
                "type": "object"
              },
              "luminance": {
                "type": "number"
              },
              "mixed": {
                "description": "Present when \"mix\" is given.",
                "type": "string"
              },
              "rgb": {
                "type": "object"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "keyronne.com",
  "lastUpdated": "2026-09-17T03:48:15.543Z",
  "quality": {
    "calls30d": 6,
    "uniquePayers30d": 5,
    "lastCalledAt": "2026-09-17T03:48:15.253Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "keyronne.com",
    "manifest_name": "keyronne.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}