• TERTIARY COLORS—olive And sage, ochre, terra cotta and russet, peacock blue—have been favored, a palette affected by William Morris’s revival of medieval formulas, and because of the subdued but clear tones of Japanese woodblock prints. From the late 1700s, Vacheron workshops have been producing a lot of keen innovations, https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/