For color blending/mixing you'll need to choose digital outs with PWM, often refered to as 'analog out'. (pins 3,5,6,9,10,11 are PWM, 3,5,6 are used in the photo above.)
For color blending/mixing you'll need to choose digital outs with PWM, often refered to as 'analog out'. (pins 3,5,6,9,10,11 are PWM, 3,5,6 are used in the photo above.)