ΔE 17.6, loose: different enough that you should pick on purpose. Saffron Sunset is a little lighter, more muted, cooler than Lava Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Saffron Sunset is a little lighter, more muted, cooler than Lava Orange.
The same difference applies the other way round: Lava Orange is a little darker, more saturated, 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 Lava Orange on the colour wheel See Saffron Sunset on the colour wheel
All matches: Lava Orange equivalents · Saffron Sunset equivalents