ΔE 18.6, loose: different enough that you should pick on purpose. Old Rose is a little lighter, more saturated, warmer than Glistening Gums.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Old Rose is a little lighter, more saturated, warmer than Glistening Gums.
The same difference applies the other way round: Glistening Gums is a little darker, more muted, 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 Glistening Gums on the colour wheel See Old Rose on the colour wheel
All matches: Glistening Gums equivalents · Old Rose equivalents