Sunset Halo

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500" width="100%"><defs><linearGradient id="blob-gradient" x1="0.146" y1="0.146" x2="0.854" y2="0.854"><stop offset="0" stop-color="#eecda3"/><stop offset="1" stop-color="#ef629f"/></linearGradient></defs><path d="M476.5,286Q472,322,429,335.5Q386,349,387,394.5Q388,440,349.5,438.5Q311,437,280.5,440.5Q250,444,216,451Q182,458,163,427Q144,396,118,380.5Q92,365,78.5,337.5Q65,310,65,280Q65,250,76,223.5Q87,197,72,153.5Q57,110,93,96.5Q129,83,162.5,83Q196,83,223,53Q250,23,276.5,55.5Q303,88,346,73.5Q389,59,412,87.5Q435,116,455.5,146Q476,176,478.5,213Q481,250,476.5,286Z" fill="url(#blob-gradient)"/></svg>

.blob {
  width: 500px;
  height: 500px;
  clip-path: path("M476.5,286Q472,322,429,335.5Q386,349,387,394.5Q388,440,349.5,438.5Q311,437,280.5,440.5Q250,444,216,451Q182,458,163,427Q144,396,118,380.5Q92,365,78.5,337.5Q65,310,65,280Q65,250,76,223.5Q87,197,72,153.5Q57,110,93,96.5Q129,83,162.5,83Q196,83,223,53Q250,23,276.5,55.5Q303,88,346,73.5Q389,59,412,87.5Q435,116,455.5,146Q476,176,478.5,213Q481,250,476.5,286Z");
}

/**
 * Blob — generated by blobs.app.
 *
 * Drop this file into your project and render <Blob /> anywhere.
 */
import { useId } from 'react';

export interface BlobProps {
  /** Rendered width and height. A number is treated as px. Defaults to 100%. */
  size?: number | string;
  /** Class name for the root svg element. */
  className?: string;
  /** Accessible name. Without it the graphic is hidden from assistive tech. */
  title?: string;
}

export function Blob({ size = '100%', className, title }: BlobProps) {
  // Unique per instance, so two blobs on one page never share a def id.
  const uid = useId().replace(/[^a-zA-Z0-9]/g, '');
  const titleId = `blob-title-${uid}`;
  const gradientId = `blob-gradient-${uid}`;

  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 500 500"
      width={size}
      height={size}
      className={className}
      role={title ? 'img' : undefined}
      aria-labelledby={title ? titleId : undefined}
      aria-hidden={title ? undefined : true}
    >
      {title ? <title id={titleId}>{title}</title> : null}
      <defs>
        <linearGradient id={gradientId} x1="0.146" y1="0.146" x2="0.854" y2="0.854">
          <stop offset="0" stopColor="#eecda3" />
          <stop offset="1" stopColor="#ef629f" />
        </linearGradient>
      </defs>
      <path
        d="M476.5,286Q472,322,429,335.5Q386,349,387,394.5Q388,440,349.5,438.5Q311,437,280.5,440.5Q250,444,216,451Q182,458,163,427Q144,396,118,380.5Q92,365,78.5,337.5Q65,310,65,280Q65,250,76,223.5Q87,197,72,153.5Q57,110,93,96.5Q129,83,162.5,83Q196,83,223,53Q250,23,276.5,55.5Q303,88,346,73.5Q389,59,412,87.5Q435,116,455.5,146Q476,176,478.5,213Q481,250,476.5,286Z"
        fill={`url(#${gradientId})`}
      />
    </svg>
  );
}

export default Blob;

// Generated by blobs.app.
//
// Paint the blob:
//   CustomPaint(painter: BlobPainter(), size: const Size(300, 300))
//
// Or clip a widget to it:
//   ClipPath(clipper: BlobClipper(), child: child)

import 'dart:ui' as ui;

import 'package:flutter/material.dart';

/// The blob outline, scaled from its 500x500 design space to [size].
Path buildBlobPath(Size size) {
  final double sx = size.width / 500.0;
  final double sy = size.height / 500.0;
  final Path path = Path();
  path.moveTo(476.5 * sx, 286.0 * sy);
  path.quadraticBezierTo(472.0 * sx, 322.0 * sy, 429.0 * sx, 335.5 * sy);
  path.quadraticBezierTo(386.0 * sx, 349.0 * sy, 387.0 * sx, 394.5 * sy);
  path.quadraticBezierTo(388.0 * sx, 440.0 * sy, 349.5 * sx, 438.5 * sy);
  path.quadraticBezierTo(311.0 * sx, 437.0 * sy, 280.5 * sx, 440.5 * sy);
  path.quadraticBezierTo(250.0 * sx, 444.0 * sy, 216.0 * sx, 451.0 * sy);
  path.quadraticBezierTo(182.0 * sx, 458.0 * sy, 163.0 * sx, 427.0 * sy);
  path.quadraticBezierTo(144.0 * sx, 396.0 * sy, 118.0 * sx, 380.5 * sy);
  path.quadraticBezierTo(92.0 * sx, 365.0 * sy, 78.5 * sx, 337.5 * sy);
  path.quadraticBezierTo(65.0 * sx, 310.0 * sy, 65.0 * sx, 280.0 * sy);
  path.quadraticBezierTo(65.0 * sx, 250.0 * sy, 76.0 * sx, 223.5 * sy);
  path.quadraticBezierTo(87.0 * sx, 197.0 * sy, 72.0 * sx, 153.5 * sy);
  path.quadraticBezierTo(57.0 * sx, 110.0 * sy, 93.0 * sx, 96.5 * sy);
  path.quadraticBezierTo(129.0 * sx, 83.0 * sy, 162.5 * sx, 83.0 * sy);
  path.quadraticBezierTo(196.0 * sx, 83.0 * sy, 223.0 * sx, 53.0 * sy);
  path.quadraticBezierTo(250.0 * sx, 23.0 * sy, 276.5 * sx, 55.5 * sy);
  path.quadraticBezierTo(303.0 * sx, 88.0 * sy, 346.0 * sx, 73.5 * sy);
  path.quadraticBezierTo(389.0 * sx, 59.0 * sy, 412.0 * sx, 87.5 * sy);
  path.quadraticBezierTo(435.0 * sx, 116.0 * sy, 455.5 * sx, 146.0 * sy);
  path.quadraticBezierTo(476.0 * sx, 176.0 * sy, 478.5 * sx, 213.0 * sy);
  path.quadraticBezierTo(481.0 * sx, 250.0 * sy, 476.5 * sx, 286.0 * sy);
  path.close();
  return path;
}

class BlobPainter extends CustomPainter {
  const BlobPainter();

  @override
  void paint(Canvas canvas, Size size) {
    final Path path = buildBlobPath(size);
    final Paint paint = Paint()
      ..isAntiAlias = true
      ..shader = ui.Gradient.linear(
        Offset(size.width * 0.146, size.height * 0.146),
        Offset(size.width * 0.854, size.height * 0.854),
        const <Color>[Color(0xFFEECDA3), Color(0xFFEF629F)],
      );
    canvas.drawPath(path, paint);
  }

  @override
  bool shouldRepaint(covariant BlobPainter oldDelegate) => false;
}

/// Clips any widget to the same shape: ClipPath(clipper: BlobClipper(), ...).
class BlobClipper extends CustomClipper<Path> {
  const BlobClipper();

  @override
  Path getClip(Size size) => buildBlobPath(size);

  @override
  bool shouldReclip(covariant CustomClipper<Path> oldClipper) => false;
}