ΔE 25.5, loose: different enough that you should pick on purpose. Moss and Lichen is more muted, cooler than Fluorescent Orange-Yellow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Moss and Lichen is more muted, cooler than Fluorescent Orange-Yellow.
The same difference applies the other way round: Fluorescent Orange-Yellow is 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 Fluorescent Orange-Yellow on the colour wheel See Moss and Lichen on the colour wheel
All matches: Fluorescent Orange-Yellow equivalents · Moss and Lichen equivalents