>>95872022
>bright green or red
you can do both: green for mucoses and fleshy parts, perhaps even jaws, bits between the exoskeleton and feet, and then red for guns, talons and patterns on carapace, because white carapaces risk looking flat in the larger parts, far from the edges where you can more easily draw streaks, so you can add red patterns on the larger interiors.

pic related saturates the green maybe too much, but gives an idea