From the brand color, compute:
- Complementary: 180° hue rotation
- Split-complementary: ±150° hue rotation
- Analogous: ±30° hue rotation
- Triadic: ±120° hue rotation
Suggest the best option based on project type:
- SaaS: complementary (clear differentiation)
- Portfolio: analogous (cohesive mood)
- E-commerce: split-complementary (attention without clash)
- Docs: analogous (calm, readable)
Generate a secondary palette and add to .forge.json.