Function mode

packages/opencode/src/cli/cmd/run/theme.ts:103–105

(bg: RGBA)

}

function mode(bg: RGBA): "dark" | "light" {
  return luminance(bg) > 0.5 ? "light" : "dark"
}

function luminance(color: RGBA): number {
  return 0.299 * color.r + 0.587 * color.g + 0.114 * color.b