"A little rusty on your color theory? Materialdesign makes color easy."
— Google says.
　
Color Reference helps you choose a nice primary color for your newapp.
　
> To learn more, please visit Google's
https://www.google.com/design/spec/style/color.html
　
> To do it online, please visit MaterialUp's
https://www.materialpalette.com
　
> Source code on GitHub:
https://github.com/by-syk/ColorReference