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I have these two textures and I want to change the white or grayish parts in the images to glowing red or normal red can anybody tell me how to change the color of textures.

enter image description here

And

enter image description here

The color I want is like this

enter image description here

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    $\begingroup$ More flexible would be to use the textures as a mask in your shader tree... probably as a Fac in a Mix RGB node $\endgroup$ Jul 1 '21 at 10:11
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try to copy these nodes and change the colours and values where you need to. enter image description here

enter image description here

In your case the secondary colour you want is red so change the 'colour 1' in the multiply node from plain white to red.

remember color ramp node is optional

HOPE THIS HELPED!!

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  • $\begingroup$ Super thanks to you $\endgroup$
    – Avinas
    Jul 1 '21 at 12:13
  • $\begingroup$ @Avinas Your welcome!! happy it worked $\endgroup$
    – Ribbit12
    Jul 1 '21 at 12:21
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  • Plug Image node directly into Emission Strenght of Principled BSDF
  • Change Emission color to Red
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    $\begingroup$ Huh... why didn't i think of this :D $\endgroup$ Jul 1 '21 at 18:27

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