For OBS Studio: Use yoru (night) palette: bg #1E2A3A, text #F5F0E8, accent #7B9BB0. Spacing scale: 4/8/16/32/64px (ma-ratio). Typography: 1.618 ratio, light weight. Transitions: 400ms ease, opacity-first. Style: deep indigo base for overlays; keep text readable on video.
OBS overlay CSS prompts
Browser-source overlays with Japanese aesthetic tokens.