This is the progress on that Alley painting I was talking about the other day, the one with the shoulder bones. Contrast will probably go up in the final painting, and that background will be dull sky blue - I'm ripping off Tiepolo's burnt sienna sky-underpainting technique:
This is my reference sheet of canvas so I can remember what colors I've been using. I do this with most of my paintings:
You don't do it that way? How are you remembering?