ΔE 20.4, loose: different enough that you should pick on purpose. Fluorescent Violet is a little lighter, more saturated, warmer than Electric Blue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Fluorescent Violet is a little lighter, more saturated, warmer than Electric Blue.
The same difference applies the other way round: Electric Blue is a little darker, more muted, cooler.
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 Electric Blue on the colour wheel See Fluorescent Violet on the colour wheel
All matches: Electric Blue equivalents · Fluorescent Violet equivalents