ΔE 25.7, loose: different enough that you should pick on purpose. Worn Red is noticeably lighter, more muted, cooler than Mica Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Worn Red is noticeably lighter, more muted, cooler than Mica Red.
The same difference applies the other way round: Mica Red is noticeably darker, 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 Mica Red on the colour wheel See Worn Red on the colour wheel
All matches: Mica Red equivalents · Worn Red equivalents