# Vertex Colors

Vertex colors can be used to control some properties of the water shader. You can use paint vertex colors using a tool like Unity's free [PolyBrush](https://unity3d.com/unity/features/worldbuilding/polybrush).

## Intersection Foam (R)

The red vertex color channel can control intersection foam. To enable this, you'll need to make a modification to the graph.

## Wave Height (G)

The green ver