ΔE 10.9, fair: the same colour family, but not a straight swap. Sky Blue is a little lighter, more muted than Teclis Blue.
✓ Herrick Games paint comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Sky Blue is a little lighter, more muted than Teclis Blue.
The same difference applies the other way round: Teclis Blue is a little darker, more saturated.
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 Teclis Blue on the colour wheel See Sky Blue on the colour wheel
All matches: Teclis Blue equivalents · Sky Blue equivalents