# How to add Alpha Transparency in CSS

**URL:** <https://forum.kirupa.com/t/how-to-add-alpha-transparency-in-css/174370>\
**Category:** web dev\
**Created:** [January 5, 2006, 3:27am UTC](https://forum.kirupa.com/t/how-to-add-alpha-transparency-in-css/174370 "2006-01-05T03:27:48Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![anif](https://avatars.discourse-cdn.com/v4/letter/a/da6949/32.png) [@anif](https://forum.kirupa.com/u/anif)\
**Post date:** [January 5, 2006, 3:27am UTC](https://forum.kirupa.com/t/how-to-add-alpha-transparency-in-css/174370/1 "2006-01-05T03:27:48Z")

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Hi

I believe this should be possible, but how do I apply an alpha transparency, kinda like in Flash and Photoshop to a color in CSS. Say I do a background-color: #FFFFFF, how do I alpha it?

thanks