Blue
Blue
Green and blue lights make cyan. Mixing these two colors together in equal parts creates the color cyan.
color lights actually don't blend together.
yellow and black
red and blue
Blue
Blue lights can disrupt your sleep and keep you awake.
Indigo
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.
To make the color light blue, you can mix blue with white to lighten the shade.
You can mix blue and yellow to make the color green.