It's derived from the French word 'Bleu' ..
because it's blue.
no just light blue or dark blue really
puce.
Nonoxizied Kimberlite is called Blue Ground, due to the blue color..Oxizdized Kimberlite is called Yellow ground due to the yellow color. It is a deep Tawny Yellow.
This color is called "magenta".
Indigo
blue and white
The color sky blue is a lighter shade of blue. The color is called sky blue because it is to resemble to same color as the sky. When the sun is out the sky is a beautiful shade of blue.
In this question the color blue (the color of sky) is already given the name rain.
The color violet is also called purple. It lies beyond the color blue in the spectrum.
Blue light. That's why the glass is called blue.
BLUE
cyan