ΔE 7.6, close: similar, with a visible difference side by side. Gryph-Charger Grey is more saturated than Grauviolett RLM 75. They are different kinds of paint: AMMO by Mig Grauviolett RLM 75 is an opaque base/layer paint and Citadel Gryph-Charger Grey is a one-coat contrast-style paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Gryph-Charger Grey is more saturated than Grauviolett RLM 75. They are different kinds of paint.
The same difference applies the other way round: Grauviolett RLM 75 is 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 Grauviolett RLM 75 on the colour wheel See Gryph-Charger Grey on the colour wheel
All matches: Grauviolett RLM 75 equivalents · Gryph-Charger Grey equivalents