ΔE 22.5, loose: different enough that you should pick on purpose. Salmon Rose is noticeably lighter, much more muted, cooler than Kalahari Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Salmon Rose is noticeably lighter, much more muted, cooler than Kalahari Orange.
The same difference applies the other way round: Kalahari Orange is noticeably darker, much 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 Kalahari Orange on the colour wheel See Salmon Rose on the colour wheel
All matches: Kalahari Orange equivalents · Salmon Rose equivalents