ΔE 11.6, fair: the same colour family, but not a straight swap. Skink Blue is a little lighter, more muted than Cyan.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Skink Blue is a little lighter, more muted than Cyan.
The same difference applies the other way round: Cyan 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 Cyan on the colour wheel See Skink Blue on the colour wheel
All matches: Cyan equivalents · Skink Blue equivalents