Do you know how your phone, TV or monitor can make different colors on the screen using only three primary colors? You can take a magnifying glass and look through it at the screen. You will see small red (R), green (G) and blue (B) dots. With red, green and blue colors of various brightness you can get any color from black to white! Maybe you like to draw and want to know how to make a new color on the screen? This simple app will help you!