flashy

The dancers wore flashy costumes featuring shiny sequins in many vibrant colors.

a flashy light

Indeed, he was 'dithguthted' at his condition; and if upon the occasion just described he had allowed himself to be somewhat 'intoxicated with liquor,' I must aver that I do not recollect another instance in which this worthy little gentleman suffered himself to be similarly overtaken. Now and then a little 'flashy' he might be, but nothing more serious—and rely upon it, this was no common virtue in those days.