Android’s material theme provides a categorized color palette system. By changing the color value of one category, you can change all of the color value of on-screen element that belongs to the same category at once. You can change the style of your app more easily when designing if you make good use of this color palette system.
How to use One UI’s color palette
When you apply a color to an element, choose a color that goes well with the meaning of the element. Take into account the color’s characteristics and what it stands for. A color typically carries both positive and negative meanings. You should also consider that some colors may have different meanings in different cultures.