DD

Design Desk

Design & Color Editor

Color spaces, contrast ratios, CSS generators, image formats and aspect ratios — written for working designers who want the practical answer, not a 1500-word intro.

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OKLCHHSLHEXWCAG contrastCSS gradientsimage formatsPNGJPGWebPSVG

Design
OKLCH for designers: why switch from HSL
HSL's saturation and lightness lie to you. OKLCH doesn't. Here's what you gain in 5 minutes of learning a new syntax.
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Design
PNG vs JPG vs WebP: pick the right image format in 2026
WebP wins most of the time now. Here's when to still reach for PNG (alpha + crisp edges) or JPG (massive photos, universal support).
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