Ooh that sounds pretty!! Crimson and Burgundy also look particularly good with vermillion or a pinkish light orange :)!! if you wanna experiment at bit with the colors.
lol yeah the smiling guy is Knight Stella, the guy with that hair (I think he’s the one you’re talking about? He’s in left side right?) That is Knight Lionel, who isn’t actually even the alchemist
he’s the investigator/interrogator essentially… or in butter bee they’re very cursedly called Investiterrorgators