ΔE 12.0, fair: the same colour family, but not a straight swap. Clear Blue is a little lighter, warmer than Shieldwall Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Clear Blue is a little lighter, warmer than Shieldwall Blue.
The same difference applies the other way round: Shieldwall Blue is a little darker, 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 Shieldwall Blue on the colour wheel See Clear Blue on the colour wheel
All matches: Shieldwall Blue equivalents · Clear Blue equivalents