Blog tag

Color

Articles tagged Color from the hora Calendar dev blog.

Fixing Yellow-on-Yellow: OKLCH + APCA for Calendar Event Tiles

2026-05-08

Fixing Yellow-on-Yellow: OKLCH + APCA for Calendar Event Tiles

How hora replaced ad-hoc tints with OKLCH-derived palettes and APCA-clamped contrast — 132 hue/mode/state combinations, all readable on Mac and iOS.

swiftswiftuicoloraccessibilityoklchapca
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