Named colors, HEX, RGB, RGBA, HSL and HSLA.

• Category: CSS Tutorial — part of the CSS Tutorial on GoCareerGo
• Read the short summary above, then check the linked docs for full syntax/behaviour
• Interview tip: be ready to explain "CSS Colors" in one sentence, then back it up with a tiny example

/* CSS Colors */
.example {
  /* see the property reference on MDN for full syntax */
}