When your mood ring turns blue, it means you're feeling relaxed and ready to have fun. But what about when it turns black? Understanding mood ring color meanings can help you get the most out of this ...
Two folds from an Astrolin Color Card pamphlet by Établissement Georget Fils Peintures Laquées et Vernis, Chantenay-Lès-Nantes (c. 1906), 6 3/10 x 3 3/4 inches (image courtesy Bibliothèque Forney, ...