<div class="content">
</div>

body {
  padding: 0px;
  mergin: 0px;
}

.content {
  background: conic-gradient(
    red 6deg,
    orange 7deg 68deg,
    yellow 69deg 120deg,
    green 121deg 280deg,
    blue 281deg
  );

  position: absolute;
  left: 50%;
  top: 50%;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  transform: translatey(-50%) translatex(-50%);
}