Current version

v1.10.4 (stable)


Main page
Archived news
Plugin SDK
Knowledge base
Contact info
Other projects


Blog Archive

Expressions for Photoshop blending modes

Just a quickie this time.

A while ago, I went hunting around for the expressions needed to implement Photoshop's layer blending modes. The basic ones like Lighter Color and Screen are easy to find or discern, but some of the lighting modes are harder to do. The best reference I've found so far is from a PDF blend mode addendum on Adobe's site:

It doesn't cover some of the more obscure modes like Vivid Light, but it notably covers the complex Soft Light algorithm and the HSL modes.


This blog was originally open for comments when this entry was first posted, but was later closed and then removed due to spam and after a migration away from the original blog software. Unfortunately, it would have been a lot of work to reformat the comments to republish them. The author thanks everyone who posted comments and added to the discussion.