There are symbols after the code. They represent the source of the color.
Wikipedia is (W), which has the highest probability of seeing the real color. Nearly 99% of the color mentioned in Wikipedia is not imaginary colors.
Chir.ag is (C), which has the second probability of seeing the real color. Estimated 85% of the color mentioned in chir.ag is not imaginary colors.
(N) represents the color is not applicable to any source but an extract from Photoshop or Color Palette Generator. Colorhunter and CSS Drive are the examples of Color Palette Generator.
(Ĉ) represents the color is from Crayola Crayons, one of the famous brand of crayons in the world.
(A) represents Color Wiki. A wiki of colors.
COLOURlovers is (L), a website of color creation.
(O) represents the color is from other websites, mostly from art-paints.com.