简单的选色器
uiGradients - Beautiful colored gradients
美丽的UI渐变色分享站 并可转成CSS代码
The Day's Color
一个不错的配色网站，提供整体配色方案！有点卡，外国站点！
Best Flat Colors For UI Design
Color Hunt is a free and open platform for color inspiration with thousands of trendy hand-picked color palettes
