And without editing, you may play with what's in the material room:

If you're using the PoserSurface node: change the white (example above using the Alternate diffuse of an EZSkin setting)
If you're using Cycles: add a Cycles > Color > Mix node and play with the fac, while setting the blend type to mix. Other blend types may have fun effects as well.
Same with the PhysicalSurface node:

And using Richard60's Color ramp, you may have even more fun... 

𝒫𝒽𝓎𝓁

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