ΔE 18.3, loose: different enough that you should pick on purpose. White Star is noticeably lighter, much more muted than Leviathan Light.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). White Star is noticeably lighter, much more muted than Leviathan Light.
The same difference applies the other way round: Leviathan Light is noticeably darker, much 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 Leviathan Light on the colour wheel See White Star on the colour wheel
All matches: Leviathan Light equivalents · White Star equivalents