Neutral colors for UI chrome, text, and backgrounds
bgPage: string
bgSurface: string
bgMuted: string
bgSubtle: string
textHeading: string
textBody: string
textMuted: string
textSubtle: string
border: string
borderStrong: string
borderSubtle: string
ring: string
ringStrong: string
bgPageDual: string
bgSurfaceDual: string
bgMutedDual: string
bgSubtleDual: string
textHeadingDual: string
textBodyDual: string
textMutedDual: string
textSubtleDual: string
borderDual: string
borderStrongDual: string
borderSubtleDual: string
ringDual: string
ringStrongDual: string
dividerDual: string