Building Dark Mode on the Web

Approaches for adding dark mode to websites, from system-preference detection to theme-aware CSS colours.

Content tagged dark-mode

• Tutorial:One-Line Theme-Aware Colors with light-dark()

  A single declaration per color, resolved automatically for both light and dark mode.

  The light-dark() CSS function collapses a light value and a dark value into one declaration, resolved by color-scheme — no duplicate custom properties, no @media (prefers-color-scheme) block per themed property.