It looks like you just raised the saturation of your colors instead of changing the values and brightnesses.
I also think you're missing out on some valuable advice by ignoring bengoshia's edit, I feel like he addresses some important things in his edit. It may not fit the game stylistically but personally I do think that it's an improvement.
His looks more three dimensional and is better defined overall, especially the face, which seems to be what he focused on in the edit.
Even if you disagree with the color choice and how his looks less like a cultish monk, I feel like you could still learn something from his color choice, ramps, and shading.
I was going to type something about them but to be honest you can just disregard all the palette things on top, I guess you could have a look at how his colors differ from yours if you change your mind.
Also, just to make a point about contrast, take a look at the orange magician goblin and green pirate goblin. I believe they both have three shades of color in the skin but it really only looks like one, there is almost no difference between the lightest and second lightest shade and you hardly use your significantly darker third shade.
I don't mean to sound offensive, the characters are all interesting to look at and I love your wizards, especially the third one, and the characters all complement each other very well stylistically. I just feel like the shading could be improved.
