Adjust the amounts of red, green and blue. To see the color it makes, you might have to get farther away. Color guide (r,g,b)- Red- 255,0,0 Orange- 255,128,0 Yellow- 255, 255, 0 Green- 0, 255, 0 Blue- 0, 0, 255 Purple- 255, 0, 255 Cyan- 0, 255, 255
This is a representation of how an RGB screen works. It is an array of red, green, and blue aligned. It controls the amount of light for each sub-pixel (in this case, 3rd of a pixel representation) by changing the brightness according to the values. You can also have it render the square in grayscale! (black and white)