Roses are red, violets are blue...actually, violets are closer to purple — but purple doesn't rhyme with anything. The word violet can refer either to a purplish-blue color or to the tiny flower of that color.
On the color spectrum, violet is a variation on purple that sits a bit closer to blue than red. The color violet comes from the flower name, which is rooted in the Latin viola. The violet is a plant with small flowers that vary in color from pale violet to dark blue, as well as white. If you're coloring violets in a coloring book, you can choose the violet crayon!