Light mode? Dark mode? Scott and Wes break down the best ways to implement theme switching in CSS, from prefers-color-scheme to manual overrides. Plus, tips on handling shadows, icons, and the dreaded flash of dark mode!

Show Notes

00:00 Welcome to Syntax!
01:05 Brought to you by Sentry.io.
02:06 Light and dark mode, things to consider.
02:31 Light and dark mode from scratch.
- drop-in.css.
- 04:41 Calculations vs assigned color.
- 05:32 color-mix and relative color.
- 08:15 Foreground and background variables.
  - –tint-or-shade: color-mix(in oklab, var(–fg), transparent 95%);
  - –tint-or-shade-harder: color-mix(in oklab, var(–fg), transparent 90%);
- 09:13 Setting color scheme.
- 12:38 light-dark function in CSS.
15:48 Manually setting dark mode.
- 18:43 The challenges with shared caching.
- 19:33 Tailwind CSS implementation.
  - Tailwind dark-mode.
19:52 Shoehorning in dark mode.
22:25 Other things to consider.
- 22:28 Color contrast.
  - Lea Verou contrast-color.
- 24:39 Logos.
- 25:22 Icons and images.
- 26:20 Accessibility.
  - Polypane.

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