Notation of color.
| Hue | Value | , H | V | , |
| Chroma | C |
Initial for hue, numeral above for value, numeral below for chroma.
Sequences of color.
Two scales united, as hue and value, or chroma and value.
Three scales united,—each step a change of hue, value, and chroma.
Balance of color.
Opposites of equal value and chroma (R5/5 and BG5/5).
Opposites of equal value and unequal chroma (R5/9 and BG5/3).
Opposites unequal both in value and chroma (R7/3 and BG3/7).