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A white beam runs into a glass prism and fans out as a spectrum built from the accent. The bands sweep across the box, gather into the tick, and the prism's edge lights up.
Also known as: prism checkbox, rainbow light checkbox, spectrum checkbox css, light refraction checkbox.
Premium
Everything you see above is live. Basic and Pro include every premium piece, with the HTML and CSS ready to copy, plus the Tailwind version where there is one and Motions in Claude Code on Pro.
--chk-color on the element or a parent.
Currently previewing #3b82f6.--chk-size. Every other dimension is in
em, so the whole thing scales together. Currently previewing 24px.transition or animation
shorthand. Staggered delays are relative, so they keep their rhythm.