ΔE 12.3, fair: the same colour family, but not a straight swap. Phoenix Egg is more saturated, warmer than Howling Sand.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Phoenix Egg is more saturated, warmer than Howling Sand.
The same difference applies the other way round: Howling Sand is more muted, 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 Howling Sand on the colour wheel See Phoenix Egg on the colour wheel
All matches: Howling Sand equivalents · Phoenix Egg equivalents