2 Vert

import 'package:flutter/material.dart';
import 'package:gap/gap.dart';

Column(
  children: [
    buildLegendItem(
      '2021',
      Colors.deepPurple.shade700,
    ),
    const Gap(24),
    buildLegendItem(
      '2022',
      Colors.deepPurple.shade300,
    ),
    const Gap(24),
    buildLegendItem(
      '2023',
      Colors.purple,
    ),
  ],
),

Widget buildLegendItem(String title, Color color) {
  return Row(
    mainAxisSize: MainAxisSize.min,
    children: [
      Container(
        width: 40,
        height: 4,
        color: color,
      ),
      const Gap(8),
      Text(
        title,
        style: const TextStyle(
          fontWeight: FontWeight.w600,
          fontSize: 14,
          color: Colors.black54,
        ),
      ),
    ],
  );
}