Sentence:  A good formulation will keep the clothes clean and <WSD>white</WSD> after many washings ; whereas , with a poor formulation , the clothes exhibit a build-up of `` tattle-tale grey '' and dirty spots - sometimes with bad results even after the first wash . 
Meaning of the word marked with <WSD> tags:  being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light