色彩工具
// 适合 UI，但还需要一些自我发挥
Primary(P), P-Light, P-Dark, Secondary(S), S-Light, S-Dark, T(on P), T(on S) // S 可选
// 适合插图主题
以一个基准颜色进行主题配色，不指定中性色，方式有：
- analogous
- monochromatic
- triad
- complementary
- compound
- shades
从图像中获取，模式有：
- Colorful
- Bright
- Muted
- Deep
- Dark
Brand Color:
- color-primary
Functional Color:
- color-success
- color-warning
- color-danger
- color-info
Font Color:
- color-text-primary
- color-text-regular
- color-text-secondary
- color-text-placeholder
Border Color:
- border-color-base
- border-color-light
- border-color-lighter
- border-color-extra-light
Background Color:
- color-white
- color-black
- background-color-base