oatmeal vs washed out

oatmeal

adj

Of a light greyish brown colour, like that of 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.

washed out

adj

Of colours: faded, pale.
Very tired and lacking energy or animation.

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