g
Look at the information sticker posted on your Mitsu's door frame to find out.
The info sticker lists a ton on information about your Lancer including date of production, engine displacement, trim level, recommended tire size and tire PSI, and yes, your paint color code.
Mr.357
I would guess R80, but someone may have painted it different than the original color.
khayam
Metallic Red perhaps
thebax2006
What color does it look like?
Di'tagapayo
That sounds like "red" . . . paint'er red