chro‧mo‧pho‧bi‧a /ˌkrəʊməˈfəʊbiə $ ˌkroʊməˈfoʊ-/
noun [uncountable] technical a strong fear of colours, often combined with the unreasonable belief that something will be bad if it is a particular colour
—chromophobic adjective [TahlilGaran] Dictionary of Contemporary English ▲