ΔE 8.8, close: similar, with a visible difference side by side. Twin Suns Yellow is a little darker, cooler than Ice Yellow.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Twin Suns Yellow is a little darker, cooler than Ice Yellow.
The same difference applies the other way round: Ice Yellow is a little lighter, 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 Ice Yellow on the colour wheel See Twin Suns Yellow on the colour wheel
All matches: Ice Yellow equivalents · Twin Suns Yellow equivalents