ΔE 5.4, very close: most people won’t see a difference side by side. Flanker Light Gray is a little darker, cooler than Gray FS26440.
Yes, for most jobs. Very close match (ΔE 5). Flanker Light Gray is a little darker, cooler than Gray FS26440.
The same difference applies the other way round: Gray FS26440 is a little lighter, 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 Gray FS26440 on the colour wheel See Flanker Light Gray on the colour wheel
All matches: Gray FS26440 equivalents · Flanker Light Gray equivalents