Function selectedForeground

packages/tui/src/theme/index.ts:95–111

(theme: Theme, bg?: RGBA)

export type SyntaxStyleOverrides = Record<string, { italic?: boolean }>

export function selectedForeground(theme: Theme, bg?: RGBA): RGBA {
  // If theme explicitly defines selectedListItemText, use it
  if (theme._hasSelectedListItemText) {
    return theme.selectedListItemText
  }

  // For transparent backgrounds, calculate contrast based on the actual bg (or fallback to primary)
  if (theme.background.a === 0) {
    const targetColor = bg ?? theme.primary
    const { r, g, b } = targetColor
    const luminance = 0.299 * r + 0.587 * g + 0.114 * b
    return luminance > 0.5 ? RGBA.fromInts(0, 0, 0) : RGBA.fromInts(255, 255, 255)
  }

  // Fall back to background color
  return theme.background
}

type HexColor = `#${string}`
type RefName = string