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I made a character for a mobile game in Blender rendered with Cycles, and i used a toon material as shader. Now, for each toon material i create, i used an 'Image Texture' as a color gradient. I like the result, but i'm trying to work more on the shadows of the character, not cast shadows, but of the character itself. What i cannot figure out, using an image texture(png) as a color gradient, is there a way to change the colors of the shadows of the material? only of the shadows. This is my character:enter image description here Thank you in advance

vklidu
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Lorenzo
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  • I think you have more controll over the overall toon shader in the blender internal render engine... – Bert VdB Jan 11 '18 at 08:23
  • Thank you, i was thinking if there is a way to do it in Cycles – Lorenzo Jan 11 '18 at 13:16
  • If you can find a way using the blender internal render engine, you will also have the advantage of shorter render times – Bert VdB Jan 11 '18 at 13:48
  • I would like to keep using Cycles because i already set lightining and all other materials/textures, and to not change it again, but in case i will make also a test with internal render – Lorenzo Jan 11 '18 at 14:17
  • related https://blender.stackexchange.com/questions/69709/how-to-change-the-shadow-color-in-blender-cycles – lemon Apr 28 '18 at 16:29
  • I think you are going to love the new "Shader to RGB" node in Eevee: https://youtu.be/10I2eWm7z70 As for Cycles, it appears that the Compositor is the only way to control such things. You can do a shadow pass and adjust color in compositor, maybe even try Cryptomatte which can auto output all materials and objects for separation and masking etc in compositing. – Coby Randal Feb 28 '19 at 20:39
  • For quick reference, Cryptomatte and Shader to RGB node (Eevee only) are both available in Blender 2.80, not 2.79. I just saw another video on shadow color edits with Shader to RGB node. So cool! https://youtu.be/t91X4eukZY4 – Coby Randal Mar 05 '19 at 18:05
  • I like the character. :) – Millard Aug 18 '19 at 23:43
  • What do you mean by " I use Image texture as color gradient"? – vklidu Nov 28 '20 at 15:26

3 Answers3

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Eevee

Just an illustration of Coby Randal's comment - Shader to RGB node.

enter image description here

In case you want to keep AO ...

enter image description here

Note: I wanted to composite AO pass (instead mix it in shader), but with this shader is AO pass wrong for some reason.

vklidu
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I haven't found a way to change the color of shadows with only materials in cycles, I mean there is a way, but by doing so all shadows made by that object will be tinted (either on itself and that would include the background). A more controlled way would be by using the compositor in post, production.

Raul Arturo Gonzalez
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You can't change the color of the shadows directly as far as I know, but via compositing you can. Try messing with a color balance node and see if it is to your liking. https://docs.blender.org/manual/en/latest/compositing/types/color/color_balance.html

edit: actually, if you are willing to switch to eevee, you might be get more control over your shadows. https://www.youtube.com/watch?v=t91X4eukZY4 Here is the tutorial I followed, except I didn't split the RGB, didn't use a diffuse shader to modify the base, and just simply used a color ramp with the different colors I wanted for the shaders. Try it c:

katonakob
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