ΔE 35.6, loose: different enough that you should pick on purpose. White Scar is noticeably lighter, more muted than Grey Goose.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 36). White Scar is noticeably lighter, more muted than Grey Goose.
The same difference applies the other way round: Grey Goose 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 Grey Goose on the colour wheel See White Scar on the colour wheel
All matches: Grey Goose equivalents · White Scar equivalents