# Proposal: colours

**Change ID**: `2026-05-20-colours`
**Package**: `@suaveplan/colours`
**Status**: PROPOSED
**Author**: Kimi Code CLI

- **Design**: ./design.md
- **Spec delta**: ./specs/colours/spec.md

## Summary

Introduce `@suaveplan/colours`, a universal-tier colour manipulation library with parsing, conversion, analysis, mixing, blending, and palette generation. Zero runtime dependencies beyond `@suaveplan/error`, `@suaveplan/types`, and `tslib`.

## Impact

### Affected dependents

None — this is a new leaf package. Future consumers may include `@suaveplan/image`, `@suaveplan/ui`, and theming systems.

## Parity Checklist

This is a genesis-original package; no upstream source exists.