Matt Light Rust vs Ink Yellow

How close are they?

ΔE 20.0, loose: different enough that you should pick on purpose. Ink Yellow is a little lighter, more saturated, cooler than Matt Light Rust.

Can I use Ink Yellow instead of Matt Light Rust?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Ink Yellow is a little lighter, more saturated, cooler than Matt Light Rust.

Can I use Matt Light Rust instead of Ink Yellow?

The same difference applies the other way round: Matt Light Rust is a little darker, more muted, 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.