ΔE 11.8, fair: the same colour family, but not a straight swap. Emerald is noticeably darker, warmer than Emerald Scream.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Emerald is noticeably darker, warmer than Emerald Scream.
The same difference applies the other way round: Emerald Scream is noticeably lighter, 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 Emerald Scream on the colour wheel See Emerald on the colour wheel
All matches: Emerald Scream equivalents · Emerald equivalents