Blue
color lights actually don't blend together.
yellow and black
red and blue
Blue
Indigo
The color magenta can only be obtained by mixing equal amounts of red and blue light;The color magenta is the complementary color of green;Other words for this color: fuchsia (named after the flowers).
red, blue and green color lights are combined to form visible light
If you are mixing paints, cyan (light blue) and yellow make green. If you are using lights, green is a primary color.
Blue is a primary color, no two other colors can be mixed to make blue.
You can add the color blue to make purple more blue.
black