Notes on color, craft, and shipping.
Color theory, case studies, design-system patterns, and what we ship — written by The Color Tools team and friends.
Why OKLCH finally makes color systems predictable
HSL was a half-step. OKLCH is the first browser-native color space that's truly perceptually uniform — and it changes how we should build palettes.
What ΔE actually tells you about a Pantone match
Every match shows a number. Here's how to read it — and which threshold matters for which kind of work.
v0.3: pricing, 14 new tools, and a mobile menu
What shipped this week — and what's coming next.
Case study: Pinea Wellness — from brief to press in 11 days
How one designer used The Color Tools to deliver a full color system to a packaging printer in eleven days, including three rounds of client feedback.
Syncing tokens into CI without the drift
A practical guide to wiring The Color Tools into GitHub Actions so your design tokens regenerate the moment a designer updates the brand kit.
The five export formats that matter for print
ASE, ACO, GPL, sLAB, and the press-ready PDF. What each one is for, who consumes it, and when it matters.
Design systems aren't token files — they're a contract between people
The token export is the artifact. The contract is how three different teams agree on what changes when, and what doesn't.
WCAG 3 and APCA: what changed, and what to do today
The contrast ratio you've been calculating for a decade is being replaced. Here's how the new algorithm works and why it matters.