Search found 2 matches
- 2016-09-28T09:29:25-07:00
- Forum: Users
- Topic: Desaturate Red colors
- Replies: 5
- Views: 3214
Re: Desaturate Red colors
I break down problems like this into: 1. What effect do I want? In this case, "-modulate 100,0,100". 2. Where do I want it? For example: "I want it where the red channel is at least 15% more than the blue channel." This is "-channel RB -separate +channel -compose MinusSrc -composite -threshold 15 ...
- 2016-09-26T10:04:47-07:00
- Forum: Users
- Topic: Desaturate Red colors
- Replies: 5
- Views: 3214
Desaturate Red colors
I'm new to IM and need some help to write a simple IM command to desaturate red colors from a jpg image (but retaining all other colors). To do this in Photoshop I select Hue/Saturation then select REDS (from drop down menu) and move the saturation to -100. How can I do the same effect in ...