O3 Color Vision

These demonstrations examine the human perception of color.

Articles
Image	Title
	O3-01: COLOR PERCEPTION IN SHADOWS - SLIDE PROJECTORS Demonstrate complementary color shadows.
	O3-02: COLOR PERCEPTION IN SHADOWS - DOUBLE POINT SOURCE Demonstrate complementary color shadows.
	O3-03: LAND EFFECT Demonstrate the Land effect using red and white light.
	O3-04: GREENER THAN GREEN Demonstrate negative color afterimage due to saturation.
	O3-11: COLOR BLINDNESS TESTS Test your students for color blindness.
	O3-12: COLOR BLINDNESS TESTS WITH VIDEO PROJECTOR Test class for color blindness, and demonstrate how color blind people with certain defects see the color blindness tests.
	O3-21: BENHAM TOP Demonstrate perception of color due to periodic excitation of the eye.
	O3-22 BIDWELL'S DISC Demonstrates positive and negative color afterimages