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I have been wanting to create an effect where the contrast between the warm and cool colors, or the green and violet is very visible. At first I thought I could increse the contrasts on the A or B chanles of the LAB color space, but when I asked this question I was told that this is not the right way to achieve this efect. link to old question: how do I work with LAB color space in the compositor? This should be somthing that can work for animations. (I.e no pixel by pixel color correction.)

These are some pictures of the effect I am trying to achieve:

Effect #1 https://istoleyourcereal.wordpress.com/2012/05/03/warm-and-cool-contrast/#jp-carousel-117

As you can see the warm and cool colors are very distinct.

Effect #2

https://www.flickr.com/photos/iucnweb/6146692092

It was mutch harder to find an image with this effect, but as you can see the reds are very contrasted with the greens.

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  • $\begingroup$ If you are dealing with a 3D scene, you can do this with lighting. For existing images you can use masks and color correct each part of the picture with a different hues and saturation $\endgroup$ – cegaton Jun 17 '16 at 21:40
  • $\begingroup$ The masking thing can be time consuming when you're doing animations. $\endgroup$ – SupaKoopaTroopa64 Jun 17 '16 at 21:58
  • $\begingroup$ For fast masking in some situations you can use nodes from Matte group; e.g. Luminance Key will give you adjustable mask set up by how is image lit. $\endgroup$ – Mr Zak Jun 17 '16 at 22:28
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You can use a hue correct node and using the saturation controls select the color range you want to affect:

enter image description here

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