what are all of the colors?
blue/white, orange/white, green/white, brown/white, slate/white, blue/red, orange/red, green/red, brown/red, slate/red, blue/black, orange/black, green/black, brown/black, slate/black, blue/yellow, orange/yellow, green/yellow, brown/yellow, slate/yellow, blue/violet, orange/violet, green/violet, brown/violet, slate/violet
and which is listed first?
blue/white