fa icons color code example

Example 1: font awesome color icons

<span style="font-size: 3em; color: Tomato;">
  <i class="fas fa-camera"></i>
</span>

<span style="font-size: 48px; color: Dodgerblue;">
  <i class="fas fa-camera"></i>
</span>

<span style="font-size: 3rem;">
  <span style="color: Mediumslateblue;">
  <i class="fas fa-camera"></i>
  </span>
</span>

Example 2: fab icon color

If you are using com.google.android.material.floatingactionbutton.FloatingActionButton, use app:tint:

app:tint="@android:color/white"