Afterglow vs Creamy Ivory

How close are they?

ΔE 18.5, loose: different enough that you should pick on purpose. Creamy Ivory is a little darker, much more muted, warmer than Afterglow.

Can I use Creamy Ivory instead of Afterglow?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Creamy Ivory is a little darker, much more muted, warmer than Afterglow.

Can I use Afterglow instead of Creamy Ivory?

The same difference applies the other way round: Afterglow is a little lighter, much 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.