TailwindCSS recently launched version 4, integrating OKLCH as the new standard for color tokens. This shift is significant for UI/UX designers, as OKLCH provides a more intuitive color perception that improves accessibility and ergonomics compared to traditional RGB and HSL systems. With a 93.1% adoption rate among major browsers, OKLCH allows designers to work with a broader, more consistent color palette while addressing issues related to lightness and contrast that those older color spaces encountered.
OKLCH offers a color space that's closer to how we actually perceive colors with better ergonomics in design and development experience.
With RGB or HSL, increasing brightness often leads to washed-out colors; OKLCH's perceptual uniformity ensures that color transitions feel natural.
OKLCH solves accessibility issues that arise with HSL by providing a more consistent way of creating color scales for design systems.
OKLCH supports a wider range of colors with P3 compatibility, allowing for 30% more humanly perceivable colors compared to RGB.
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