Steins;Gate's visual grade is built around a single object: the Divergence Meter, a scavenged nixie-tube display whose warm amber-orange digits glow against black. That prop's palette — nixie amber, hot orange-red, rust, washed khaki — bleeds outward into the whole show's Akihabara, rendered as a sun-bleached, over-exposed, low-fi city that always feels one shade too yellow, like old film stock left in a drawer. This is retro technology nostalgia, not clean minimalism: CRT terminals, dot-matrix readouts, and phosphor bloom sit over a grimy, desaturated ground that is warm but never bright, aged but never pastel. It reads as junk-tech obsession — brilliant, paranoid, lived-in.