ΔE 16.9, loose: different enough that you should pick on purpose. White is noticeably lighter, more muted than Moon Mist Grey.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). White is noticeably lighter, more muted than Moon Mist Grey.
The same difference applies the other way round: Moon Mist Grey is noticeably darker, more saturated.
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 Moon Mist Grey on the colour wheel See White on the colour wheel
All matches: Moon Mist Grey equivalents · White equivalents