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