---
title: "glColor4f(_:_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 2.0+, iPadOS 2.0+, Mac Catalyst 2.0+, tvOS 9.0+]
path: "opengles/glcolor4f(_:_:_:_:)"
---

# glColor4f(_:_:_:_:)

## Declaration

```swift
func glColor4f(_ red: GLfloat, _ green: GLfloat, _ blue: GLfloat, _ alpha: GLfloat)
```