The Aggie Logo features the school colors of Blue and Gold.

Gold is a color that is commonly found in Davis.

Also see yellow

UC Davis Gold

  UC Davis Gold is officially Pantone 132 "gold", or on uncoated paper, PMS 117
  Web color is officially #BF9900, but often #bb8d09 in practice.

Gold as a Metal

There are also things made of the metal gold, including arguably Davis itself. Gold found in what is now Sacramento caused California to become what it is today. Local jewelry can be made from gold, and the Davis Gold & Silver Exchange deals in gold.