Really quickly, a word about the colors. I was inspired by this 1708 color wheel where Red, Yellow, and Blue were considered primary colors.

I'm working through the primary colors now. In my system it is:

Black, Blue, Brown, Red, White, Yellow.

My original notes have:
Black is associated with Blood/Darkness
Blue is associated with Change/Kismet
Brown is associated with the Mind
Red associated with the Elements
White associated with Life
Yellow associated with Nature

I also plan to create Silver spells (All the colors) and Gold spells (Black + White + Yellow.) Silver spells are universal and Gold spells have something to do with clockwork.

Sometime later, after the Red Concordant is completed, I will work on secondary colors. I will likely not define spells for most of these, but the secondary colors are:

Perse (Black + Blue)
Topaz (Black + Yellow)
Wine (Black + Red)
Grey (Black + White)
Green (Blue + Yellow)
Indigo (Blue + Red)
Whatchet (Blue + White)
Orange (Green + Red)
Primrose (Green + White)
Pink (Red + White)

Work continues!

https://commons.wikimedia.org/wiki/File:Boutet_1708_color_circles.jpg#/media/File:Boutet_1708_color_circles.jpg