Skandapurana 4.37.203

4.37.203

sitayā toyamaraṇaṃ śyāmayā kalahapriyā .
daridriṇī māṃsalayā laṃbayā'bhakṣyabhakṣiṇī .. 2 ..

With a white [tongue], there is death by water; with a dark grey one, she is fond of quarreling; / with a fleshy one, she becomes impoverished; with a hanging one, an eater of uneatable things.