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Delx Color Hex Norm
x402
Delx Color Hex Norm is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Normalizes a short-form #RGB or long-form #RRGGBB color hex string to its canonical lowercase #rrggbb representation.
Price / call$0.001
Success—
StatusUnknown
How this service works
Normalize #RGB/#RRGGBB color hex. Call when you canonicalize agent color tokens for CSS. Returns normalized #rrggbb or invalid for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.
Output
Returns a normalized, lowercase 7-character #rrggbb hex string when the input is a valid #RGB or #RRGGBB color, or an 'invalid' indicator when the input cannot be parsed as a valid hex color.
Example use cases
Design token canonicalization pipeline
“I have a bunch of color tokens from our design system with values like '#F3A', '#ff3366', and '#ABC' — can you normalize all of them to the standard lowercase #rrggbb format so they're consistent for CSS?”
User-input color validation in a form
“A user just typed '#1aB' into our color picker field — can you normalize and validate it so I know whether it's a real hex color and what the full canonical value is?”
Agent theming with shorthand hex expansion
“My agent config has a brand color set to '#09C' — can you expand that shorthand to the full #rrggbb hex so I can use it directly in a stylesheet?”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/color-hex-normWhen to prefer
Choose this endpoint when you need a lightweight, stateless, no-auth utility to canonicalize CSS color hex tokens in an agent pipeline. It is ideal for design-token normalization, CSS generation, or any workflow that must standardize mixed-case or shorthand hex inputs to a consistent #rrggbb format without setting up heavier color libraries or making external network calls.
Side effects
- Input is not a recognized #RGB or #RRGGBB pattern — returns invalid marker
- Missing or empty hex field — likely validation error
- Hex includes alpha channel (#RGBA or #RRGGBBAA) which is not supported — returns invalid
- Input contains non-hex characters — returns invalid
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| hex | string | Input field: hex. |
Output
Schema · Response
{
"type": "json",
"example": {
"hex": "#00ff88",
"valid": true,
"schema": "delx/util-color-hex-norm/v1"
}
}Tags
x402
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