ΔE 9.6, close: similar, with a visible difference side by side. Ivory is a little lighter, cooler than Whitecap Beige.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Ivory is a little lighter, cooler than Whitecap Beige.
The same difference applies the other way round: Whitecap Beige is a little darker, 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 Whitecap Beige on the colour wheel See Ivory on the colour wheel
All matches: Whitecap Beige equivalents · Ivory equivalents