ΔE 6.0, close: similar, with a visible difference side by side. IDF Sand Grey is a little lighter, warmer than Cryx Bane Highlight.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). IDF Sand Grey is a little lighter, warmer than Cryx Bane Highlight.
The same difference applies the other way round: Cryx Bane Highlight is a little darker, cooler.
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 Cryx Bane Highlight on the colour wheel See IDF Sand Grey on the colour wheel
All matches: Cryx Bane Highlight equivalents · IDF Sand Grey equivalents