# Services from color-design.x402tookit.com on Zero

> color-design.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/color-design.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/color-design.x402tookit.com/health.json

## Services

- [Accessible Text Color Checker](https://www.zero.xyz/c/accessible-text-color-checker-ff23f8f0/llms.txt): $0.02/call via x402. Returns the best text color (black or white) for a given background hex color, including contrast ratios and WCAG AA/AAA compliance results for both options.
- [Color Adjust (Lighten, Darken, Saturate, Hue Rotate)](https://www.zero.xyz/c/color-adjust-lighten-darken-saturate-hue-rotate-e52cdf6f/llms.txt): $0.02/call via x402. Adjusts a hex color by adding or subtracting HSL lightness, saturation, or hue rotation by exact numeric amounts.
- [Color Mix (sRGB / Linear Light Blending)](https://www.zero.xyz/c/color-mix-srgb-linear-light-blending-619d1ea8/llms.txt): $0.02/call via x402. Blends two hex colors at a configurable ratio in sRGB or linear light color space, returning the resulting hex color.
- [WCAG Contrast Fix — Adjust Text Color Lightness to Meet Contrast Target](https://www.zero.xyz/c/wcag-contrast-fix-adjust-text-color-lightness-to-meet-contrast-target-87f461d6/llms.txt): $0.02/call via x402. Adjusts a text color's lightness to reach a specified WCAG contrast ratio (3, 4.5, or 7) against a given background, preserving its original hue.
- [Color Gradient Steps Generator](https://www.zero.xyz/c/color-gradient-steps-generator-1bb3ff8c/llms.txt): $0.02/call via x402. Returns evenly spaced hex color steps between two hex colors in sRGB or linear light color space, for use in charts, heatmaps, and gradients.
- [Color Palette Generator from Base Hex Color](https://www.zero.xyz/c/color-palette-generator-from-base-hex-color-7d46d4a6/llms.txt): $0.02/call via x402. Generates a color palette (complementary, analogous, triadic, tetradic, split-complementary, or monochromatic) from a given base hex color.
- [Color Blind Simulation for Hex Colors](https://www.zero.xyz/c/color-blind-simulation-for-hex-colors-a1e09667/llms.txt): $0.02/call via x402. Simulates protanopia, deuteranopia, and tritanopia color blindness on a hex color or a foreground/background pair, returning the transformed colors and remaining contrast ratios.
- [Color and Design Tools – Hex Color Converter](https://www.zero.xyz/c/color-and-design-tools-hex-color-converter-e314a2e8/llms.txt): $0.02/call via x402. Convert a hex color code to RGB, HSL, HSV, and CMYK values, including CSS strings and relative luminance.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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