# How do you make this?

**URL:** <https://forum.kirupa.com/t/how-do-you-make-this/274102>\
**Category:** Uncategorized\
**Created:** [October 24, 2008, 8:05pm UTC](https://forum.kirupa.com/t/how-do-you-make-this/274102 "2008-10-24T20:05:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![understudy](https://avatars.discourse-cdn.com/v4/letter/u/ec9cab/32.png) [@understudy](https://forum.kirupa.com/u/understudy)\
**Post date:** [October 24, 2008, 8:05pm UTC](https://forum.kirupa.com/t/how-do-you-make-this/274102/1 "2008-10-24T20:05:23Z")

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If you take a look at the attached image, you’ll see it’s one of those secret message graphics where something written in cyan is covered with a random pattern of red, such that if you look at the image through a red filter, you see the secret message.

I want to make one of these graphics myself, but I don’t know how to make the red portion which seems to be a random red pattern.

As always, thanks for the help.