April 24. 1832
Colours
Colours may best be expressed by a heptad, the largest possible formula for things finite, as the pentad is the smallest possible form. Indeed, the heptad of things finite is in all cases reducible to the pentad. The adorable tetractys, or tetrad, is the formula of God; which, again, is reducible into, and is, in reality, the same with, the Trinity. Take colours thus:—
Prothesis,
Red, or Colour [Greek: kat exoch_en].
^
/1\
/ \
Mesothesis, or Indifference of / \
Red and Yellow = Orange. 4/ \5 Indigo, Violet = Indifference
/Synthesis\ of Red and Blue.
/—6 \
Thesis = Yellow. 2 3 Blue = Antithesis.
\Green indi-/
\componi- /
\ble /
\ /
\ /
To which you must add \7/ which is spurious or artificial
v synthesis of Yellow and Blue.
Green, decom-ponible