several color popping methods such as channel mixers, blending modes, lab color, the sponge tool, hue/saturation adjustments, and so much more!
See "How to make white wedding dress to be white". Second method is how I can selective pop individual colors.
Similar technique: Popping blue, yellow, green and red separately, but above mcp method seem better because we can add lightness.
3) Tutorial 3 with free action