ΔE 6.7, close: similar, with a visible difference side by side. JMSDF 2704 Gray N5 is a little lighter than Regiment Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). JMSDF 2704 Gray N5 is a little lighter than Regiment Grey.
The same difference applies the other way round: Regiment Grey is a little darker.
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 Regiment Grey on the colour wheel See JMSDF 2704 Gray N5 on the colour wheel
All matches: Regiment Grey equivalents · JMSDF 2704 Gray N5 equivalents