Sunny Skin Tone vs Orange Magma

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Orange Magma is more saturated than Sunny Skin Tone.

Can I use Orange Magma instead of Sunny Skin Tone?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Orange Magma is more saturated than Sunny Skin Tone.

Can I use Sunny Skin Tone instead of Orange Magma?

The same difference applies the other way round: Sunny Skin Tone is 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.