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Color Adjust (Lighten, Darken, Saturate, Hue Rotate)
x402
Color Adjust (Lighten, Darken, Saturate, Hue Rotate) is a paid API for AI agents from color-design.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-30).
Adjusts a hex color by adding or subtracting HSL lightness, saturation, or hue rotation by exact numeric amounts.
Price / call$0.02
Success—
StatusUnknown
How this service works
Lighten, darken, saturate, desaturate or rotate the hue of a hex color by an exact number of HSL points.
Output
Returns the adjusted hex color string, the original hex color, the HSL breakdown of the input color, the exact changes applied (hue, lightness, saturation deltas), and a human-readable summary of what was done.
Example use cases
Hover state color from brand color
“Take our primary brand color #2563eb and lighten it by 15 HSL lightness points so I can use it as the hover state in our button styles.”
Muted background tint from accent
“Desaturate #e11d48 by 40 saturation points and lighten it by 25 so it works as a soft background tint behind a card.”
Warm color variant via hue rotation
“Rotate the hue of #10b981 by 60 degrees and darken it by 10 lightness points — I want a warmer, slightly deeper variant for an alternate theme.”
Technical details
Endpoint
GEThttps://color-design.x402tookit.com/color-adjust?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need precise, deterministic HSL-based color adjustment by exact numeric amounts — lightening, darkening, saturating, desaturating, or hue-rotating a specific hex color. Prefer it over palette generation endpoints when you have a single source color and need a predictable, controlled transformation rather than a full palette or WCAG-constrained result.
Side effects
- Invalid or malformed hex color returns an error with a reason
- Adjustment values outside allowed ranges (-100 to 100 for lightness/saturation, -360 to 360 for hue) may be rejected or clamped
- Missing required 'color' query parameter returns a validation error
- Result color clamped at HSL boundaries (0 or 100) if adjustment exceeds valid range
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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