Create soft UI neumorphic designs with shadow controls, border-radius, and background color adjustments.
A neumorphic control is defined less by an outline than by two coordinated shadows. This generator lets you adjust the surface color, corner radius, and shadow settings, then obtain CSS for the resulting soft, extruded appearance. The light and dark shadows imply a common light direction while the element background blends into its surrounding panel. The usual surprise is that the same CSS can look wrong on a different page background: neumorphism depends on the element and its immediate backdrop using compatible colors.
The chosen background color establishes the face of the neumorphic element, while the radius controls how round its corners appear. A raised result works when that face sits against a similar background, so its edges are suggested by shadow rather than a contrasting border. The generated declarations can be applied to a button, card, input wrapper, or other box.
Neumorphism relies on two box-shadow layers with opposing offsets: a lighter highlight on the side facing the implied light source and a darker shadow on the other side. Larger offsets suggest more separation, while blur softens both edges. Outer shadows read as raised; shadows written with the inset keyword read as pressed into the surface.
The effect depends on the surrounding surface color. If the target container is white while the generated face and shadows were tuned for gray, the highlight may vanish and the dark shadow may resemble an ordinary drop shadow. Match or deliberately coordinate the container background, element background, and both shadow colors, then recheck the result in its final context.
No. It creates visual CSS for a neumorphic surface, not the element's semantics, keyboard behavior, label, focus treatment, or interaction states. Use a real button element for an action and add a clearly visible focus indicator. Also verify text and control-boundary contrast; soft shadows alone may not make the control identifiable.
The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.
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