Coolors - The super fast color schemes generator
Collection of Beautiful Color Palettes and Colors
花瓣设计配色
Simple color picker everyone
中国色 超美的中国风配色，网站号称收集了最全的中国色，还有中英文互译，非常贴心，五星好评。
Red CMYK color code | flatuicolorpicker : Best Flat Colors UI Design
Color Hunt is a free and open platform for color inspiration with thousands of trendy hand-picked color palettes
