La Nature se dévoilant devant la Science

As you vary “slit width” at
constant chromaticity you move
between black and white. Color,
white and black contents vary
There exists a unique “best” color
of maximum color content. It is
Ostwald’s “full color” or
“semichrome”
The edges of a semichrome are at
mutually complementary
wavelengths (hence the name)
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