ΔE 65.2, loose: different enough that you should pick on purpose. Moss Green is noticeably darker, much more muted, cooler than Casandora Yellow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 65). Moss Green is noticeably darker, much more muted, cooler than Casandora Yellow.
The same difference applies the other way round: Casandora Yellow is noticeably lighter, much 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 Casandora Yellow on the colour wheel See Moss Green on the colour wheel
All matches: Casandora Yellow equivalents · Moss Green equivalents