Gold

#FFD700

rgb(255, 215, 0)

hsl(51, 100%, 50%)

.element {
  background-color: #FFD700;
  color: #FFD700;
  border: 1px solid #FFD700;
}

.element {
  background-color: rgb(255, 215, 0);
  color: rgb(255, 215, 0);
}

.element {
  background-color: hsl(51, 100%, 50%);
  color: hsl(51, 100%, 50%);
}

<div style="background-color: #FFD700; color: white;">
  Content
</div>

element.style.backgroundColor = "#FFD700";
element.style.color = "#FFD700";

<div style={{ backgroundColor: "#FFD700", color: "white" }}>
  Content
</div>