Channel mixer and optional color

1. Channel mixer (can be understood as an optional color for the activity)

SOURCE channel: After the source channel selection, the following red, green, and blue sliding around is actually reduced, increase the color of the source channel

Mixed target: Red, green, blue is the optional color, left and right sliding meaning is to increase or decrease the color of the source channel on the optional color, eventually mixed

2. Optional color (fixed optional color)

1, color: it is necessary to change the color of the back selection, the range of change is only selected color (so called fixed)

2. Mixed target: For example-color (blue) {magenta + cyan = blue}, adding cyan means reducing magenta (-), reducing cyan means Gayangong (+), then looking at the position of the color wheel.

Channel mixer and optional color