
Maxwell’s Ribbon Photo – 1861
Toronto. Once monochrome images were successfully captured by Daguerre and Fox Talbot and announced in January 1839, the holy grail of photography became capturing life in full colour. Beyond experimental processes, and hand colouring, this goal wasn’t reached as a marketable process until the next century.
Two basic colour schemes were identified. Firstly, the additive process where layers of red, green and blue light combined to create colour. We are most familiar with this process today in our TV screens, smartphone, tablets, computer monitors, etc.
Secondly there was the subtractive process usually a Cyan, Magenta and Yellow with some times black and grey tossed in the mix. This is most common today in computer, newspaper and magazine printing. The old style film days most recently showed additive processes in colour slides and subtractive processes in colour negatives (often an orange filter was tossed in the mix as well to shift the colour balance.) Continue reading →