# How to Convert from RGB 255 to OpenGL Float Color

**URL:** <https://community.khronos.org/t/how-to-convert-from-rgb-255-to-opengl-float-color/29288>\
**Category:** OpenGL: Basic Coding\
**Created:** [December 1, 2003, 2:13am UTC](https://community.khronos.org/t/how-to-convert-from-rgb-255-to-opengl-float-color/29288 "2003-12-01T02:13:00Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Tzupy](https://community.khronos.org/letter_avatar_proxy/v4/letter/t/8491ac/32.png) [@Tzupy](https://community.khronos.org/u/Tzupy)\
**Post date:** [December 1, 2003, 2:17am UTC](https://community.khronos.org/t/how-to-convert-from-rgb-255-to-opengl-float-color/29288/3 "2003-12-01T02:17:00Z")

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Hi,  
You can use glColor3ub instead. Or simply compute the float color as (float)ubyte\_color / 255.0f.

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