quadcopterEnglishMerriam-Webster Dictionarysepiaashen, ashy, chalky, livid, mousy (or mousey), pale, palish, white, whitishbrindled (or brindle), grizzled, hoar, hoarydirty, dull, faded, sad, washed-outachromatic, colorless, neutralargentine, gray (also grey), grayish, leaden, pewter, silver, silvery, slate, slaty (also slatey), steely
EnglishMerriam-Webster DictionaryEnglishMerriam-Webster Dictionary
EnglishMerriam-Webster Dictionary