ΔE 24.0, loose: different enough that you should pick on purpose. Karak Stone is noticeably darker, more muted, cooler than Sunburned Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Karak Stone is noticeably darker, more muted, cooler than Sunburned Skin.
The same difference applies the other way round: Sunburned Skin is noticeably lighter, more saturated, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Sunburned Skin on the colour wheel See Karak Stone on the colour wheel
All matches: Sunburned Skin equivalents · Karak Stone equivalents