brick red vs ruby

brick red

adj

Of a warm brownish-red colour similar to that of red clay bricks.

noun

A warm brownish-red colour similar to that of red clay bricks.

ruby

adj

Of a deep red colour.

verb

To make red; to redden.

noun

A deep red colour.
A ruby hummer, a South American hummingbird, Clytolaema rubricauda.
A red bird-of-paradise, Paradisaea rubra.
A pronunciation guide written above or beside Chinese or Japanese characters.
A clear, deep, red variety of corundum, valued as a precious stone.
The tincture red or gules.

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