The circle is smaller for blue rays than it is for red rays, so the primary
rainbow is blue on the inside and red on the outside, with the intermediate
colors of the spectrum
spread out in between.
If it's
colors you want then the Orion has you sorted with an insane amount
of to choose from thanks to its full RGB
spread of 16.8 million shades, each key able to be assigned a different shade in order to create a magnifiecnt
rainbow of gaming goodness.