ΔE 25.9, loose: different enough that you should pick on purpose. Violet Hint is a little lighter, more saturated, warmer than Runic Grey.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Violet Hint is a little lighter, more saturated, warmer than Runic Grey.
The same difference applies the other way round: Runic Grey 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 Runic Grey on the colour wheel See Violet Hint on the colour wheel
All matches: Runic Grey equivalents · Violet Hint equivalents