colorless vs oatmeal

colorless

oatmeal

noun
  • A light greyish brown colour, like that of oatmeal. 

  • Meal made from rolled or round oats. 

  • A breakfast cereal made from rolled oats, cooked in milk and/or water. 

adj
  • Of a light greyish brown colour, like that of oatmeal 

How often have the words colorless and oatmeal occurred in a corpus of books? (source: Google Ngram Viewer )