ΔE 36.2, loose: different enough that you should pick on purpose. Amber Green is a little lighter, much more saturated than Silver Blade.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 36). Amber Green is a little lighter, much more saturated than Silver Blade.
The same difference applies the other way round: Silver Blade is a little darker, much 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 Silver Blade on the colour wheel See Amber Green on the colour wheel
All matches: Silver Blade equivalents · Amber Green equivalents