Red & White - Super Mario Bros Orange & Red - Super Mario Bros 3 White & Green - Super Mario World Green & White - Super Mario All-Stars Red & Green - Super Mario Maker 2 Green & Red - Super Mario Maker 2
Luigi looks like mario fire flower in super Mario bros 1 and 3 in super Mario world Luigi is white and green Luigi is green and white in super mario all stars and super mario the lost levels and he turn into nomal Luigi but shooting fireballs in super Mario bros deluxe
I haven't compared myself, but in another video, they said that in Super Mario Bros. for NES, Fire Mario and Fire Luigi have ever so slightly different colored overalls. One is light white and one is...darker white/light gray?