ΔE 8.5, close: similar, with a visible difference side by side. IJN Gray Mitsubishi is a little darker, more saturated than Yeti White.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). IJN Gray Mitsubishi is a little darker, more saturated than Yeti White.
The same difference applies the other way round: Yeti White is a little 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 Yeti White on the colour wheel See IJN Gray Mitsubishi on the colour wheel
All matches: Yeti White equivalents · IJN Gray Mitsubishi equivalents