Answer:
An artΒ-form and its colourful result.
They come in many varieties: Red, Black, Dead, and Caspian to name a few.
What time of day, when written in capital letters, is the same forwards, backwards, and upside down?
I am the yellow hem of the sea's blue skirt.
Often found in doctor's offices and pirate flags
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?