the color BLACK is the missing color that will turn light blue, dark blue.
it equals dark green
Cyan (blue)
Magenta.
blue
Blue plus red equals purple
red plus blue equals purple
Blue Cookie Monster
Blue plus red equals purple
black
Bluish brown
No, green plus blue is bluish green (or possibly greenish blue).
No, Purple without Blue is Red. And conversely, Purple without Red, is Blue.