The principles and practice of harmonious colouring : in oil, water, and photographic colours, especially as applied to photographs on paper, glass, and silver-plate (1859)
THE PRINCIPLES OF HARMONIOUS COLOURING. 15 E … crq Each pair of colours, consisting of a primary and its complementary secondary, present, also, special Warm and contrasts peculiar to themselves. Thus blue is the (Wand * . , retiring coldest colour, and is also the most retiring : and colours- orange, its complementary, is the warmest colour,…
Photographs -- Coloring · Color
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Die Physiologie der Farben [electronic resource] : für die Zwecke der Kunstgewerbe (1866)](https://img.insideoutlibrary.com/img/200/ia-b20425363-60-0.webp)
