Here’s a 10 hour portrait exercise
This was a “limited pallete” of just two colors, a yellow ochre and terra rosa, plus black and white. I was surprised at how blue the pants look (it’s really just grey) but the contrast effect of the warm background casts a blue color on it. Here’s the gamut range of the whole thing:
This is when I realized having a high-gamut fancy monitor is probably not really a big deal for doing artwork, at least if you are trying to get a real painting feeling to it.