Color Names

Rubber

Dusty, earthy brown, like a well-worn eraser or a tire's inner tube.

#815d37

Rubber is a medium brown.

It can be described as medium, moderate, matte and dusty.

Set in white, because white reads best on it.

Rubber

Natural rubber

Rubber, also called India rubber, latex, Amazonian rubber, caucho, or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds.

Read on Wikipedia

rubber

Noun

  1. Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene.
  2. Natural rubber or any of various synthetic materials with similar properties as natural rubber.

Adjective

  1. Not covered by funds on account.
Wiktionary