suaveplan/openspec/archive/2026-05-22-2026-05-20-colour-plugins/tasks.md

Tasks — Colour Plugin Ecosystem

@suaveplan/colour-convert-hsluv

• Scaffold package
• Implement HSLuv ↔ RGB conversions (HSLuv.org reference algorithm)
• Implement uniform harmony generators (uniformComplementary, uniformTriad, uniformTetrad)
• Write tests (100% coverage)
• Write sibling .md docs
• Gate: lint, typecheck, test, build, coverage, docs

@suaveplan/colour-convert-cieluv

• Scaffold package
• Implement RGB ↔ CIELUV conversions
• Implement RGB ↔ xyY conversions
• Implement LMS cone response space
• Implement Bradford chromatic adaptation (A, B, C, D50, D55, D65, D75, E, F2, F7, F11)
• Write tests (100% coverage)
• Write sibling .md docs
• Gate: lint, typecheck, test, build, coverage, docs

@suaveplan/colour-filter-cmc

• Scaffold package

• Implement CMC l:c Delta-E colour difference

• Configurable luminance and chroma weights

• Write tests (100% coverage)

• Write sibling .md docs

• Gate: lint, typecheck, test, build, coverage, docs

@suaveplan/colour-filter-cct

• Scaffold package

• Implement CCT from RGB (McCamy's formula)

• Implement CCT-to-RGB approximation

• Write tests (100% coverage)

• Write sibling .md docs

• Gate: lint, typecheck, test, build, coverage, docs

Monorepo updates

• Update STATUS.md with all 4 packages