fluorescent
adjective /fləˈresnt/
  /fləˈresnt/
- (of substances) producing bright light by using some forms of radiation
- a fluorescent lamp (= one that uses such a substance)
 - fluorescent lighting
 
 - (of a colour, material, etc.) appearing very bright when light shines on it; that can be seen in the dark
- cyclists wearing fluorescent orange and yellow armbands
 
Synonyms brightbrightcompare phosphorescent- brilliant
 - vivid
 - vibrant
 
- bright full of light; shining strongly; (of colours) strong and easy to see:
- a bright yellow dress
 
 - brilliant very bright:
- The sky was a brilliant blue.
 
 - vivid (approving) (of colours) bright and strong:
- His eyes were a vivid green.
 
 - vibrant (approving) (of colours) bright and strong:
- The room was decorated in vibrant blues and greens.
 
 
- bright/brilliant/vivid/vibrant colours
 - bright/brilliant light/sunlight/sunshine/eyes