Grid of Colors by @Curi288 - Codewith.it

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title>Grid of Colors</title>
  <link rel="stylesheet" href="style.css">
</head>
<body>
  <main></main>
  <script src="script.js"></script>
</body>
</html>

main {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px;
}

.color-shape {
  width: 125px;
  height: 125px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #333;
  border-radius: 50%;
  font-weight: bold;
  font-size: 14px;
  text-align: center;
  box-sizing: border-box;
}

const colors = [
  "AliceBlue", "AntiqueWhite", "Aqua", "Aquamarine", "Azure", "Beige", "Bisque",
  "Black", "BlanchedAlmond", "Blue", "BlueViolet", "Brown", "BurlyWood", "CadetBlue",
  "Chartreuse", "Chocolate", "Coral", "CornflowerBlue", "Cornsilk", "Crimson",
  "Cyan", "DarkBlue", "DarkCyan", "DarkGoldenRod", "DarkGray", "DarkGrey",
  "DarkGreen", "DarkKhaki", "DarkMagenta", "DarkOliveGreen", "Darkorange",
  "DarkOrchid", "DarkRed", "DarkSalmon", "DarkSeaGreen", "DarkSlateBlue",
  "DarkSlateGray", "DarkSlateGrey", "DarkTurquoise", "DarkViolet", "DeepPink",
  "DeepSkyBlue", "DimGray", "DimGrey", "DodgerBlue", "FireBrick", "FloralWhite",
  "ForestGreen", "Fuchsia", "Gainsboro", "GhostWhite", "Gold", "GoldenRod", "Gray",
  "Grey", "Green", "GreenYellow", "HoneyDew", "HotPink", "IndianRed", "Indigo",
  "Ivory", "Khaki", "Lavender", "LavenderBlush", "LawnGreen", "LemonChiffon",
  "LightBlue", "LightCoral", "LightCyan", "LightGoldenRodYellow", "LightGray",
  "LightGrey", "LightGreen", "LightPink", "LightSalmon", "LightSeaGreen",
  "LightSkyBlue", "LightSlateGray", "LightSlateGrey", "LightSteelBlue",
  "LightYellow", "Lime", "LimeGreen", "Linen", "Magenta", "Maroon",
  "MediumAquaMarine", "MediumBlue", "MediumOrchid", "MediumPurple",
  "MediumSeaGreen", "MediumSlateBlue", "MediumSpringGreen", "MediumTurquoise",
  "MediumVioletRed", "MidnightBlue", "MintCream", "MistyRose", "Moccasin",
  "NavajoWhite", "Navy", "OldLace", "Olive", "OliveDrab", "Orange", "OrangeRed",
  "Orchid", "PaleGoldenRod", "PaleGreen", "PaleTurquoise", "PaleVioletRed",
  "PapayaWhip", "PeachPuff", "Peru", "Pink", "Plum", "PowderBlue", "Purple", "Red",
  "RosyBrown", "RoyalBlue", "SaddleBrown", "Salmon", "SandyBrown", "SeaGreen",
  "SeaShell", "Sienna", "Silver", "SkyBlue", "SlateBlue", "SlateGray", "SlateGrey",
  "Snow", "SpringGreen", "SteelBlue", "Tan", "Teal", "Thistle", "Tomato",
  "Turquoise", "Violet", "Wheat", "White", "WhiteSmoke", "Yellow", "YellowGreen"
];

const main = document.querySelector('main');

function getContrastColor(color) {
  const temp = document.createElement('div');
  temp.style.color = color;
  document.body.appendChild(temp);
  const rgb = getComputedStyle(temp).color.match(/\d+/g).map(Number);
  document.body.removeChild(temp);

  const [r, g, b] = rgb;
  const brightness = (r * 299 + g * 587 + b * 114) / 1000;

  return brightness > 125 ? '#000' : '#fff';
}

function insertSpaces(colorName) {
  return colorName.replace(/([a-z])([A-Z])/g, '$1 $2');
}

colors.forEach(color => {
  const div = document.createElement('div');
  div.className = 'color-shape';
  div.style.backgroundColor = color;
  div.style.color = getContrastColor(color);
  div.textContent = insertSpaces(color);
  main.appendChild(div);
});