ΔE 19.8, loose: different enough that you should pick on purpose. Blazing Yellow is a little lighter, much more muted, cooler than Life Vest Yellow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Blazing Yellow is a little lighter, much more muted, cooler than Life Vest Yellow.
The same difference applies the other way round: Life Vest Yellow is a little darker, 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 Life Vest Yellow on the colour wheel See Blazing Yellow on the colour wheel
All matches: Life Vest Yellow equivalents · Blazing Yellow equivalents