toning cyanotypes-kitchen alchemy for moodier blues

Cyanotypes are known for their rich Prussian blue—crisp, cool, and unmistakable. But with a little gentle chemistry, you can shift that iconic blue into warmer, moodier hues: soft sepias, deep charcoals, even plum purples. The process is called toning, and it’s as much about art as it is about science—a way to bring new atmosphere… Read More toning cyanotypes-kitchen alchemy for moodier blues