<color name="gray_500">#FF9E9E9E</color>
<color name="gray_600">#FF757575</color>
<color name="gray_700">#FF616161</color>
+ <color name="gray_750">#FF515151</color>
<color name="gray_800">#FF424242</color>
<color name="gray_850">#FF313131</color>
<color name="gray_900">#FF212121</color>