Android Text Colors according to Material Design Pattern

text_colors.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <!-- Dark Text Color for Light Background -->
    <color name="textDarkPrimary">#DE000000</color> <!--DE for %87 opacity-->
    <color name="textDarkSecondary">#8A000000</color> <!--8A for %54 opacity-->
    <color name="textDarkDisabled">#61000000</color> <!--61 for %38 opacity-->

    <!-- White Text Color for Dark Background -->
    <color name="textLightPrimary">#FFFFFF</color> <!--%100 opacity-->
    <color name="textLightSecondary">#B2FFFFFF</color> <!--B2 for %70 opacity-->
    <color name="textLightDisabled">#80FFFFFF</color> <!--80 for %50 opacity-->
    <color name="textLightDisabledDEPRECATED">#4CFFFFFF</color> <!--4C for %30 opacity-->
    
</resources>

<!-- Material Design Pattern: https://www.google.com/design/spec/style/color.html#color-ui-color-application -->
<!-- by Jemshit Iskenderov: www.jemshit.com -->