ΔE 11.2, fair: the same colour family, but not a straight swap. Titanate Yellow is a little lighter, more saturated than Afterglow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Titanate Yellow is a little lighter, more saturated than Afterglow.
The same difference applies the other way round: Afterglow is a little darker, more muted.
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 Afterglow on the colour wheel See Titanate Yellow on the colour wheel
All matches: Afterglow equivalents · Titanate Yellow equivalents