In using an odd number (seven)
color scale complementary colors are chosen from the tertiary colors not the secondary colors.
Not exact matches
Complementary vision metrics will include automated visual fields, optical coherence tomography, and
color and contrast sensitivity, in addition to quality of life
scales, bio ‑ dissemination and the time course of immune response.
Landscape design pros recommend
complementary materials that share a common denominator — perhaps
scale,
color, or texture — and limiting the number of materials, since too many confuse a display.