You cannot mix anything to any color to get black because black is the absence of color.
Bluish black! INK
PURPLE or Black
well you would get a poo colour!
Jade thirlwalls favourite colour is purple and teal find more out on there official website
Purple and white.
Probably a really nasty color.
Dark blue and Dark red... or blue, red and black
it comes out purple but if you mix Magenda Cyan and Yellow, you get BLACK this is because its paint and you are not dealing not LIGHT
Brown
blue
purple
purple