Karolina Dean, also uncommonly known as Lucy in the Sky, from the Runaways by Marvel Comics.

Triggers:

Superpowered form: karolinad, long hair, multicolored hair, blue eyes, tank top, jeans, midriff, colored skin, glowing, absurdly long hair,

Normal: karolinad, long hair, blonde hair, blue eyes, tank top, jeans, midriff,