achromatic,"['argent', 'ashgrey', 'ashy', 'auburn', 'blackish', 'canescent', 'chalky', 'charcoal', 'charcoalgrey', 'coalblack', 'colourless', 'ebon', 'ebony', 'grey', 'greyish', 'hueless', 'inkblack', 'inky', 'inkyblack', 'irongrey', 'jet', 'jetblack', 'lilywhite', 'milkwhite', 'neutral', 'offwhite', 'oxfordgrey', 'pearly', 'pearlywhite', 'pitchy', 'reddishbrown', 'sable', 'silver', 'silverish', 'silvery', 'slategrey', 'slatey', 'slaty', 'snowwhite', 'snowy', 'sooty', 'stonegrey', 'whitish']"