# Geometry Color The color associated with the geometry at the currently-processed geometric position, typically defined by vertex color. ## Parameter Types **Geometry Color (float):** |Input |Type | |-------|-----| |`Index`|Int32| |Output|Type | |------|-----| |`Out` |Float| **Geometry Color (color3f):** |Input |Type | |-------|-----| |`Index`|Int32| |Output|Type | |------|-------------| |`Out` |Color3| **Geometry Color (color4f):** |Input |Type | |-------|-----| |`Index`|Int32| |Output|Type | |------|-------------| |`Out` |Color4| ## Parameter description - `Index`: The index of the color the node references. The default value is `0`. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)