891: Light and Dark Mode

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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