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Grain Overlay

Grain Overlay adds a distinctive visual surface to your composition.

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Make it yours.

Install the editable source and its dependencies into your React + Tailwind project.

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pnpm dlx shadcn@4.0.8 add http://localhost:3000/r/grain-overlay.json

Use it

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"use client";
import {GrainOverlay} from '@/components/jez-ui/ui/grain-overlay';

export default function Example(){

return <><GrainOverlay className="min-h-[360px]"><div className="flex min-h-64 flex-col justify-between"><h3 className="max-w-md font-display text-5xl font-medium leading-[1.03] tracking-tight md:text-6xl">Tactile, by nature.</h3><p className="mt-8 text-sm">A quiet layer of texture.</p></div></GrainOverlay></>;
}

Props & types

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{
  children?: React.ReactNode;
  className?: string;
}

Source

View 2 source files

registry/ui/grain-overlay.tsx

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"use client";
import * as React from "react";
import { cn } from "./utils";
export function GrainOverlay({
  children,
  className,
}: {
  children?: React.ReactNode;
  className?: string;
}) {
  const ref = React.useRef<HTMLCanvasElement>(null);
  React.useEffect(() => {
    const c = ref.current;
    if (!c) return;
    const ctx = c.getContext("2d");
    if (!ctx) return;
    const d = ctx.createImageData(160, 160);
    for (let i = 0; i < d.data.length; i += 4) {
      const v = (i * 73) % 251;
      d.data[i] = d.data[i + 1] = d.data[i + 2] = v;
      d.data[i + 3] = 22;
    }
    ctx.putImageData(d, 0, 0);
  }, []);
  return (
    <div
      className={cn(
        "relative min-h-60 overflow-hidden rounded-xl bg-muted",
        className,
      )}
    >
      <canvas
        ref={ref}
        width={160}
        height={160}
        aria-hidden="true"
        className="pointer-events-none absolute inset-0 h-full w-full opacity-60"
      />
      <div className="relative p-8">{children}</div>
    </div>
  );
}

registry/ui/utils.ts

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import { clsx, type ClassValue } from "clsx";
import { twMerge } from "tailwind-merge";
export function cn(...values: ClassValue[]) {
  return twMerge(clsx(values));
}

Dependencies

clsx@2.1.1 · tailwind-merge@3.5.0

Accessibility & behaviour

Respect reduced-motion preferences. Decorative effects must not carry essential information. WebGL scenes include a static fallback and only render while visible.

Read the accessibility and performance guide →