Blue is my favorite color.
That's cool. Blue is one of the three primary colors in traditional color theory and the RGB color model.
I like Blue cause it is the color of my eyes.
Nice, I like blue as well. It lies between violet and green on the spectrum of viewable light.
Blue
The eye can perceive blue by observing light with a wavelength between 450 and 495 nanometres.
I painted my room blue last week.
Nice, most blues contain a mixture of other colors. Usually green and violet are mixed in.