I find that colors are still my biggest challenge area.
Any advice on how to choose colors with more style or a better grasp on aesthetic appeal.
Captivation! I want my work to pop more and I feel like colors are currently the biggest weak point. (Though I may be wrong there.    )
Critique please. If you see any glaring composition flaws feel free, but I'm primarily focused on the color side of things here.

This is a creature from a personal project I'm working on. Playing with the concepts of our personal evils taking demonic or monstrous form, grown directly from our own bodies, fed by our actions and feelings.
"Regret"

Thank you.
My apologies. That was an oversight on my part that I hadn't noticed.

I've actually been hoping to update with a newer version but Pixel Joint seems to be plagued with an unresponsiveness of late so I haven't been able to get to the actual page for a few days.

I've made some changes that involve widening the contrast. I've color shifted the skull and spread the ramp out a bit on it.
Reworked the eyeballs to give them more stand out presence and pulled the yellow tones on the beak and now the eyeballs forward on the saturation and brightness to help them stand out.