ΔE 16.6, loose: different enough that you should pick on purpose. Wazdakka Red is a little lighter, more saturated, warmer than Rebel Red.
✓ Army Painter Fanatic conversion chart lists these two as equivalents.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Wazdakka Red is a little lighter, more saturated, warmer than Rebel Red.
The same difference applies the other way round: Rebel Red 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 Rebel Red on the colour wheel See Wazdakka Red on the colour wheel
All matches: Rebel Red equivalents · Wazdakka Red equivalents