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NUI Theme Tokens Reference

This document lists all available NUI design tokens with their default values. Users can override semantic tokens to customize the theme.

1. Primitive Tokens (Internal Palette)​

Neutral​

  • --nui-white: #ffffff
  • --nui-black: #000000
  • --nui-slate-50: #f8fafc
  • --nui-slate-100: #f1f5f9
  • --nui-slate-200: #e2e8f0
  • --nui-slate-300: #cbd5e1
  • --nui-slate-400: #94a3b8
  • --nui-slate-500: #64748b
  • --nui-slate-600: #475569
  • --nui-slate-700: #334155
  • --nui-slate-800: #1e293b
  • --nui-slate-900: #0f172a
  • --nui-slate-950: #020617

Brand​

  • --nui-brand-50: #eff6ff
  • --nui-brand-100: #dbeafe
  • --nui-brand-500: #3b82f6
  • --nui-brand-600: #2563eb
  • --nui-brand-700: #1d4ed8

State​

  • --nui-red-500: #ef4444
  • --nui-red-600: #dc2626
  • --nui-amber-500: #f59e0b
  • --nui-green-500: #10b981

2. Semantic Tokens (Customizable)​

Background​

  • --nui-bg-page: var(--nui-white)
  • --nui-bg-surface: var(--nui-white)
  • --nui-bg-subtle: var(--nui-slate-50)
  • --nui-bg-muted: var(--nui-slate-100)
  • --nui-bg-overlay: rgba(0, 0, 0, 0.4)
  • --nui-bg-selected: color-mix(in srgb, var(--nui-color-primary) 8%, transparent)
  • --nui-bg-selected-hover: color-mix(in srgb, var(--nui-color-primary) 12%, transparent)

Foreground​

  • --nui-fg-default: var(--nui-slate-900)
  • --nui-fg-subtle: var(--nui-slate-500)
  • --nui-fg-inverse: var(--nui-white)
  • --nui-fg-disabled: var(--nui-slate-400)

Borders​

  • --nui-border-default: var(--nui-slate-200)
  • --nui-border-hover: var(--nui-slate-300)
  • --nui-border-focus: var(--nui-brand-500)

Primary​

  • --nui-color-primary: var(--nui-brand-600)
  • --nui-color-primary-fg: var(--nui-white)
  • --nui-color-primary-hover: var(--nui-brand-700)

Feedback​

  • --nui-color-danger: var(--nui-red-500)
  • --nui-color-danger-fg: var(--nui-white)
  • --nui-color-success: var(--nui-green-500)
  • --nui-color-success-fg: var(--nui-white)
  • --nui-color-warning: var(--nui-amber-500)
  • --nui-color-warning-fg: var(--nui-white)

3. Layout & Typography​

Spacing​

  • --nui-space-1: 0.25rem
  • --nui-space-2: 0.5rem
  • --nui-space-3: 0.75rem
  • --nui-space-4: 1rem
  • --nui-space-5: 1.25rem
  • --nui-space-6: 1.5rem
  • --nui-space-8: 2rem
  • --nui-space-12: 3rem

Radius​

  • --nui-radius-sm: 0.25rem
  • --nui-radius-md: 0.375rem
  • --nui-radius-lg: 0.5rem
  • --nui-radius-full: 9999px

Typography​

  • --nui-font-sans: ui-sans-serif, system-ui, -apple-system, sans-serif
  • --nui-text-xs: 0.75rem
  • --nui-text-sm: 0.875rem
  • --nui-text-base: 1rem
  • --nui-text-lg: 1.125rem
  • --nui-text-xl: 1.25rem
  • --nui-weight-medium: 500
  • --nui-weight-bold: 600

Z Index​

  • --nui-z-base: 0
  • --nui-z-docked: 10
  • --nui-z-dropdown: 1000
  • --nui-z-sticky: 1100
  • --nui-z-modal: 1300
  • --nui-z-tooltip: 1500

4. Dark Mode Overrides​

  • --nui-bg-page: var(--nui-slate-950)
  • --nui-bg-surface: var(--nui-slate-900)
  • --nui-bg-subtle: var(--nui-slate-800)
  • --nui-bg-muted: var(--nui-slate-800)
  • --nui-bg-overlay: rgba(0, 0, 0, 0.7)
  • --nui-bg-selected: color-mix(in srgb, var(--nui-color-primary) 20%, transparent)
  • --nui-bg-selected-hover: color-mix(in srgb, var(--nui-color-primary) 30%, transparent)
  • --nui-fg-default: var(--nui-slate-50)
  • --nui-fg-subtle: var(--nui-slate-400)
  • --nui-fg-inverse: var(--nui-slate-900)
  • --nui-fg-disabled: var(--nui-slate-600)
  • --nui-border-default: var(--nui-slate-800)
  • --nui-border-hover: var(--nui-slate-700)
  • --nui-color-primary: var(--nui-brand-500)
  • --nui-color-primary-hover: var(--nui-brand-600)

Customization Guidance​

  • Override semantic tokens only
  • Import overrides after NUI styles
  • Support both light and dark theme overrides