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

# glClearColorx(_:_:_:_:)

## Declaration

```swift
func glClearColorx(_ red: GLclampx, _ green: GLclampx, _ blue: GLclampx, _ alpha: GLclampx)
```