Using the RGB Sliders:
1. There are three sliders: 
(Red, Green & Blue) that 
can be adjusted by 
dragging the circles.
2. You can also tap any of 
the numbers to enter in a 
value  (0 - 255)
* NOTE *
These sliders will only cont rol t he mix of 
colors, not  t he intensity level of t he out put.