Karak Stone vs Bright Yellow Ochre

How close are they?

ΔE 12.7, fair: the same colour family, but not a straight swap. Bright Yellow Ochre is a little lighter, more saturated, warmer than Karak Stone.

Can I use Bright Yellow Ochre instead of Karak Stone?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Bright Yellow Ochre is a little lighter, more saturated, warmer than Karak Stone.

Can I use Karak Stone instead of Bright Yellow Ochre?

The same difference applies the other way round: Karak Stone is a little darker, more muted, 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.