ΔE 12.2, fair: the same colour family, but not a straight swap. Warm Grey is a little darker, warmer than Wilted Rose.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Warm Grey is a little darker, warmer than Wilted Rose.
The same difference applies the other way round: Wilted Rose is a little lighter, 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 Wilted Rose on the colour wheel See Warm Grey on the colour wheel
All matches: Wilted Rose equivalents · Warm Grey equivalents