This is more of a curiosity question.
When I was in elementary school I was taught that the primary colours were
yellow, blue and red. I used those to create "secondary colours": green,
Today I know that the "primary colours" are red, green and blue since the
human retina has 3 kinds of cones which detect precisely those colours. I
also know that, when using paints, you use cyan, magneta and yellow
because paint colours are subtractive and these are the complements of the
cyan = white - red
magneta = white - green
yellow = white - blue
I would like to reconcile this, with what I was taught in school. My
grade-school teaching got yellow right, and I can see that "cyan" could be
taught as "blue" to a kid. But magneta doesn't look like red.
Did my grade-school teacher lie to me?
Graduate Teaching Assistant. Math Dept.
University of Maryland. (301) 405-5137
distrain: distrain (di-STRAYN) verb tr., intr.
To seize the property in order to force payment for damages, debt, etc.
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