Grainient

A quiet two-tone wash under coarse, warm film grain.

isomer.sh/effects/grainient

Knobs

Continue on iPhone
Preset
#CF8B66
0.70
0.35
0.65
Colour2
0.60
0.07
Light1
0.42
Shape2
0.13
0.08
Motion1
0.38
Texture2
2
0.32
Still frame

What reduced motion shows: 4 s.

Install

Code

components/isomer/grainient.tsx
'use client';
// Generated by isomer. Do not edit by hand; run `isomer add` again to update. (from packages/react/src/Grainient.tsx)
// generated by packages/react/scripts/gen-components.mjs, do not edit
import type { CSSProperties } from 'react';
import { useIsomerCanvas, type Mount } from './useIsomerCanvas';
// @ts-ignore: the runtime is plain JS with no type declarations
import * as runtime from './grainient.js';

const { DEFAULTS, mount } = runtime as { DEFAULTS: GrainientKnobs; mount: Mount };

export interface GrainientKnobs {
  accent: string;
  grain: number;
  drift: number;
  vignette: number;
  warmth: number;
  darkTone: number;
  lightTone: number;
  slant: number;
  clearCentre: number;
  swing: number;
  grainSize: number;
  twinkle: number;
}

export interface GrainientProps extends Partial<GrainientKnobs> {
  className?: string;
  style?: CSSProperties;
  /** Render this one frame (seconds) and run no clock. Used by the parity tests. */
  time?: number;
  paused?: boolean;
  /** Draw t = 4 once when the user prefers reduced motion. Default true. */
  respectReducedMotion?: boolean;
  /** Keep each frame readable after it is shown, for canvas.toDataURL or readPixels. Read at mount. Default false. */
  preserveDrawingBuffer?: boolean;
}

export const grainientDefaults: Readonly<GrainientKnobs> = DEFAULTS;

export function Grainient({ className, style, time, paused, respectReducedMotion, preserveDrawingBuffer, ...props }: GrainientProps) {
  const knobs = { ...DEFAULTS };
  for (const k of Object.keys(DEFAULTS) as (keyof GrainientKnobs)[]) {
    const v = props[k];
    if (v !== undefined) (knobs as Record<string, unknown>)[k] = v;
  }
  const ref = useIsomerCanvas({ mount, knobs, time, paused, respectReducedMotion, preserveDrawingBuffer, posterTime: 4.0 });
  return <canvas ref={ref} className={className} style={{ display: 'block', width: '100%', height: '100%', ...style }} />;
}

Parity

iPhone 17 Pro simulator, iOS 26.3.1 against Chromium headless + SwiftShader, 15 October 2026.