gaudy

gaudy
gau‧dy /ˈɡɔːdi $ ˈɡɒːdi/ adjectiveclothes, colours etc that are gaudy are too bright and look cheap – used to show disapproval:
    gaudy jewelry
—gaudily adverb
—gaudiness noun [uncountable]
     

THESAURUS

■ bright colours
   ▪ bright used about a colour that is strong and easy to see: The front door was painted bright red.
   ▪ brilliant/vivid used about a colour that is very bright: I looked out at the brilliant blue sky. | vivid red flowers
   ▪ colourful British English, colorful American English used about things that have many different bright colours: There were window boxes full of colourful flowers.
   ▪ multicoloured British English, multicolored American English used about things that have a pattern of many different bright colours: A multicoloured flag waved in the midday sun.
   ▪ gaudy/garish too brightly coloured, in a way that is unattractive: The wallpaper was much too gaudy for me. | a garish orange tie