The color palette used by J1 Theme is based on the definitions of Google’s Material Design (MD). The color scheme comprises primary and accent colors that can be used for illustration or to develop individual brand colors of a website; designed to work harmoniously with each other.
The color palette starts with primary colors and fills in the spectrum to create a complete and usable palette for Desktop and Mobile web sites based on Android or iOS. Google suggests using the 500 colors as the primary colors for your web and the other colors as accents colors to support the content for better reading or orientation.