We found one dictionary that defines the word red on yellow:

Computing (1 matching dictionary)

1. red on yellow: Encyclopedia

▸ Words similar to red on yellow ▸ Usage examples for red on yellow ▸ Idioms related to red on yellow ▸ Wikipedia articles (New!) ▸ Words that often appear near red on yellow ▸ Rhymes of red on yellow ▸ Invented words related to red on yellow