Optics > Color > Synthesis and Analysis DCS# 6F10.45

COLOR SUBTRACTION


APPARATUS
overhead projector 202
cyan, magenta, and yellow filters 202-21-E4


DESCRIPTION

Overlap filters to show color mixing by subtraction.

NOTES

Filters are Rosco
calcolor #4390 (90 cyan), #4790 (90 magenta), and #4590 (90 yellow).  Transmission curves can be found online:
http://www.rosco-ca.com/products/filters/filters-calcolour.html