ΔE 14.4, fair: the same colour family, but not a straight swap. Squig Orange is a little darker, more muted, cooler than Deep Orange.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Squig Orange is a little darker, more muted, cooler than Deep Orange.
The same difference applies the other way round: Deep Orange is a little lighter, more saturated, 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 Deep Orange on the colour wheel See Squig Orange on the colour wheel
All matches: Deep Orange equivalents · Squig Orange equivalents