Caught In My Trap

Riddle: I can trap many different things and colors, ever-changing, not boring. Look closely and you may find yourself also caught in my trap. What am I?

Answer: A mirror, or a pool of water. Source: https://www.riddles.com/526

I can trap many different things and colors, ever-changing, not boring. Look closely and you may find yourself also caught in my trap.
What am I? — Caught in My Trap by Anonymous Riddle