languish, wither, fade out, disappearance, blow over, evanesce, slice, pass off, pass, fleet, more...

intensify, brighten, enrich

hard, soft, cross, radial, linear, vintage, satin, antiqued, highlight, lowlight, more...

slow, light, cross, prima, deep, tetanic, last, quick, final, gradual, long

lose colour,   become dull,   slowly disappear,   become indistinct,   change colors,   grow dim,   lose color,   vanishing sound,   grow dimmer,   cause to wither