ΔE 8.5, close: similar, with a visible difference side by side. Meteor Rock is more saturated than Yellow. They are different kinds of paint: AMMO by Mig Yellow is an ink, glaze or transparent paint and Army Painter Meteor Rock is an opaque base/layer 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). Meteor Rock is more saturated than Yellow. They are different kinds of paint.
The same difference applies the other way round: Yellow 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 Yellow on the colour wheel See Meteor Rock on the colour wheel
All matches: Yellow equivalents · Meteor Rock equivalents