What’s the difference between Deep Scarlet and Quinacridone Burnt Scarlet?

In analyzing my palette, one of the “gaps” I identified was a dark red to help me mix reddish browns and deepen my red and orange mixes, especially for autumnal paintings. There were a few options for this slot:

  • Perylene Maroon (PR179)
  • Quinacridone Burnt Scarlet (PR206)
  • Deep Scarlet (PR175)

I’ve given Perylene Maroon a couple of shots and never really liked it, but I like both QBS and DS unmixed. They’re actually quite similar:

DS Quin Burnt Scarlet on top, DS Deep Scarlet below

In terms of hue, Quin Burnt Scarlet is a bit browner and duller, and DS is a bit closer to a typical red-orange.

It’s hard to tell from the above because I made a concentrated effort to make a dark pasty mix on the leftmost square, but in general I also find it more difficult to get a dark tone from Quin Burnt Scarlet; the second square is more representative the darkest typical tone. The Deep Scarlet is very easy to get dark.

Both are transparent, staining, and non-granulating.

Since they’re really similar unmixed, which is better in mixes?

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