ΔE 12.2, fair: the same colour family, but not a straight swap. Grayish Blue FS35237 is a little lighter, more muted, cooler than Stegadon Scale Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Grayish Blue FS35237 is a little lighter, more muted, cooler than Stegadon Scale Green.
The same difference applies the other way round: Stegadon Scale Green is a little darker, more saturated, warmer.
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 Stegadon Scale Green on the colour wheel See Grayish Blue FS35237 on the colour wheel
All matches: Stegadon Scale Green equivalents · Grayish Blue FS35237 equivalents