1. Prepare your base as needed.
For this picture, I duplicate it three times & set the layers to;
Screen 100%
Soft light 50%
Screen 100%
2. Flood fill with #DAEFF4
& Set to colour burn 25%.
3. Flood fill with #FFF300
& set to soft light 10%
4. Create a new adjustment selective colour layer.
Layer >> New Adjustment layer >> selective colour >> OK.
Use these settings.
RED; -100, 0, 100, 0
YELLOW; -100, 0, -100, 0
NEUTRALS; 5, -20, -20, 0
5. & another selective colour layer
Layer >> New Adjustment layer >> selective colour >> OK.
Use these settings.
RED; -46, 0, 100, 0
YELLOW; 100, 0, -100, 0
NEUTRALS; 10, 0, 0, 0