happytails.ai

Color-Only Signal Checker

Open Color-Only Signal Checker on Happytails.ai. This view has the same page content and links, with explicit tool capabilities. Read the processing notes before using a tool.

Tool capabilities

{
  "id": "color-only-signal-checker",
  "category": "accessibility-tools",
  "built": true,
  "requirements": "Input is limited to 200000 characters. Results are computed locally and exported as JSON.",
  "implementation": {
    "fields": [],
    "inputMaxLength": 200000,
    "inputErrorCode": "STRUCTURED_TEXT_TOO_LONG",
    "registrationFamily": "color-only-signal-checker",
    "note": "Flag likely color-only status signals locally; rendering and contrast still need browser review.",
    "experience": {
      "automatic": false,
      "single": false,
      "inputMaxLength": 200000,
      "inputMode": "text",
      "label": "Your text",
      "placeholder": "Type or paste your input…",
      "help": "Up to 200,000 characters. Review the settings before running.",
      "helpParts": [
        "Up to 200,000 characters.",
        "Review the settings before running."
      ],
      "action": null
    },
    "mode": "explicit",
    "interactive": false
  },
  "execution": "Browser interface",
  "api": null,
  "browser_agent": {
    "supported": true,
    "name": "run_current_tool",
    "discovery": "WebMCP on the human page in a supporting browser",
    "verification": "See audit/API-AUDIT.md; availability is not verification"
  }
}

Page guide

Review status designs for signals that may rely on color without text or symbols. Runs locally and returns a reviewable report.

How to use Color-Only Signal Checker
  1. Paste the relevant HTML.
  2. Run the local heuristic.
  3. Review flagged status elements and download the report.

Input is limited to 200000 characters. Results are computed locally and exported as JSON.

A heuristic, not a visual audit

The checker finds likely color-only signals. Confirm contrast, focus and visual meaning in a browser.