Custom Color

In Material Design Rule we should define any color that used in app. For All project you can customize your own color by editing res/values/colors.xml

<resources>
    <color name="colorPrimary">#1976D2</color>
    <color name="colorPrimaryDark">#1565C0</color>
    <color name="colorPrimaryLight">#1E88E5</color>
    <color name="colorAccent">#FF4081</color>
    <color name="colorAccentDark">#F50057</color>
    <color name="colorAccentLight">#FF80AB</color>
     . . .
</resources>