ummm.. depends blue is a colour which involves the colours green and yellow. but i don't know what you mean when you say (what does it mean?)
Blue is a color of course and being 'Blue' means you are very sad and slightly depressed.blue is a color like the color of the sky. and there is another definition that means you sad, down blue hope this helps!
blue
Blue skys.
blue is a primary color which means it cant be made from any other color
Blue either means to feel sad or depressed, but it also means a color in the rainbow....
It means you are bruised - bruises are black and blue in color.
it means heavenly or a color blue
it means you need to get off
"Blue blood" LITERALLY means blood that is blue in color.
'bleu' means blue in French.
It is 51% light, which means that it is a medium blue.
In Chinese, "lan se" means blue color. It is used to describe the characteristic color or hue of an object.