Individual skill

color-palette-builder

Builds an accessible brand color palette - one anchor color, role assignments, 9-step tonal scales, 60-30-10 distribution, and documented usage rules - ready for a developer to implement without guessing. Use when someone asks "pick our brand colors", "build a color system for our app", "what shade should our buttons be", or is defining the color layer of a design system. Do NOT use for auditing or fixing contrast failures and color-blindness issues in an existing product - use color-accessibility instead; for assembling the full brand book around the palette, use brand-guidelines.

skills/color-palette-builder/SKILL.md

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Repository last updated: Oct 13, 2026
License: MIT

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claude Repository topic
claude-skills Repository topic
skill-me Repository topic
engineering Derived category
design Derived category
marketing Derived category

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# Color Palette Builder

A brand color palette is not a mood board - it is a functional system with roles, scales, and rules. The costly failure is shipping pretty swatches with no usage rules: developers guess, screens drift, and within months the product has fourteen slightly different blues and body text that fails contrast. Build the palette so a developer can implement it without asking a single question.

## Operating procedure

Work the steps in order: roles before scales, scales before contrast checks - contrast is verified per color pair, and pairs only exist once the scales do.

### Step 1: Gather inputs

Collect these before generating anything; label any guess as a guess.

- Anchor color, if one exists (hex value). If none, collect 3-5 brand adjectives plus the category's color conventions to derive one.
- Surfaces in scope: marketing site, product UI, or both. Product UI needs a deeper neutral scale.