I have a nice gradient texture going on for a project I am working on. The nodes in order with their outputs are as follows:

Texture Coordinate: Generated Mapping: Vector Gradient Texture(Linear): Color Invert(Fac: 0.75): Color Math(Add)(Value 2: -0.29): Value ColorRamp(Green at 0.005, Black at 0.007): Color HSV: Color Then principled and output.

I want the colours in the colorramp to be noisy, add a bumpy effect. I tried to create this with a bump node but no texture fit what I was looking for. I can't see how I can make the colours a little noisy without affecting the gradient. It's like the noise texture needs to be in the colorramp.

  • $\begingroup$ Why don't you just mix in a Noise Texture? -- or additionally, a Musgrave Texture for some "pebbles"? $\endgroup$
    – Blunder
    Dec 14, 2022 at 1:19
  • 1
    $\begingroup$ i know you are new here, but pls just make a screenshot of your nodetree and paste it in here. Nobody want to read the textual desription of a node tree....thank you. $\endgroup$
    – Chris
    Dec 14, 2022 at 3:31

1 Answer 1


In this example, I used a Noise texture to affect both the colors and the surface normals. Both can be used to make a "bumpy" effect. Let me know if you have any questions on how to modify it if needed.



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