Material Design Color Picker. Data update to 2022.
Adapt to the new Android system.
About Material Design:
http://www.google.com/design/spec/style/color.html#color-ui-color-palette
This tool is necessary for UI Designers and App Developers.
it can reduce too much time on looking for colors for ui .
No need to connect to WIFI.
Data update to 2021.
