ΔE 14.1, fair: the same colour family, but not a straight swap. Underbelly Blue is noticeably darker, more saturated than Praxeti White.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Underbelly Blue is noticeably darker, more saturated than Praxeti White.
The same difference applies the other way round: Praxeti White is noticeably lighter, more muted.
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 Praxeti White on the colour wheel See Underbelly Blue on the colour wheel
All matches: Praxeti White equivalents · Underbelly Blue equivalents