- $OCIO: Use the color space defined by your systems environment variable. Typically sRGB.
- Off: Scene Linear is defined as the scene-wide color space.
- ACES1.2: Use the ACES 1.2 color encoding system that ships with RenderMan 24.
- Filmic Blender: Use the popular BT.709 color space.
- Custom: Allows for a custom color space file to be specified.