ΔE 15.0, loose: different enough that you should pick on purpose. Cryx Bane Base is a little darker, more saturated than Bleached Strap Grey.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Cryx Bane Base is a little darker, more saturated than Bleached Strap Grey.
The same difference applies the other way round: Bleached Strap Grey is a little lighter, 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 Bleached Strap Grey on the colour wheel See Cryx Bane Base on the colour wheel
All matches: Bleached Strap Grey equivalents · Cryx Bane Base equivalents