ΔE 27.2, loose: different enough that you should pick on purpose. Violet Hint is noticeably lighter, much more muted, cooler than Moody Mauve.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Violet Hint is noticeably lighter, much more muted, cooler than Moody Mauve.
The same difference applies the other way round: Moody Mauve 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 Moody Mauve on the colour wheel See Violet Hint on the colour wheel
All matches: Moody Mauve equivalents · Violet Hint equivalents