You can find easily yourself looking at a character with pretty pale pink hair who also happens to be a psychopath or stumble upon a character who's the personification of goodness.
Greenish-colored veins usually means you have a warm undertone, blue or purplish colors mean you're a bit cooler, and colorless means you're going to want to stay neutral.
Pink celebrated her real-life superhero with a loving tribute on his 4th birthday, posting photos from his superhero-themed party.
This anime is one best viewed for yourself to understand.