well it's supposed to be the "passive" you (or "indeterminate" you)
but I think anyone can learn to notice the pattern of comics with this particular odd color style ^(assuming^ ^you^ ^would^ ^want^ ^to^ ^learn^ ^it^ ^for^ ^some^ ^reason,^ ^and^ ^if^ ^we^ ^ignore^ ^color^ ^blindness^ ^or^ ^other^ ^similar^ ^problems^ ^etc)^
technically I guess it's between Cosmic latte and Desert sand
or "light grayish yellow"
..I had to look those up but it's definitely not a plain white