Theme studioExport-ready CSS variables

Design your system.

Tune every semantic token, compare light and dark modes, and export a production-ready Volt UI theme without leaving the browser.

Editor

Theme foundations

Theme SetupName it, pick a starting palette, then tune the details.
Start from

Generate a palette

Perceptual OKLCH scales with contrast-checked text colors, for both modes at once.

Craft one in Palette Crafter ↗
Color TokensEdit light and dark palettes independently.LightDark
Background Page canvas #f7fbff
Foreground Main text #172938
Surface Cards and panels #f7fbff
Surface text Text on surfaces #172938
Muted Subtle fills #eef6fb
Muted text Secondary text #647888
Border Lines and outlines #d4e6ef
Input Form borders #d4e6ef
Ring Focus color #1896d4
Primary Main action #1896d4
Primary text Text on primary #ffffff
Secondary Secondary action #32b7cf
Secondary text Text on secondary #ffffff
Success Positive state #2bb891
Success text Text on success #ffffff
Warning Caution state #d9b03d
Warning text Text on warning #172938
Error Error state #d64c7a
Error text Text on error #ffffff
Info Informational state #268ee8
Info text Text on info #ffffff
Shape & FeelAdjust the structural tokens shared by both modes.
Radius6px
Border1px
Focus ring2px
Shadow10%
Generated CSSPaste this into a Volt theme preset or app stylesheet.
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