ΔE 16.4, loose: different enough that you should pick on purpose. Salmon Rose is much more muted, warmer than Dusty Rose.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Salmon Rose is much more muted, warmer than Dusty Rose.
The same difference applies the other way round: Dusty Rose is much more saturated, cooler.
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 Dusty Rose on the colour wheel See Salmon Rose on the colour wheel
All matches: Dusty Rose equivalents · Salmon Rose equivalents