1. Electromagnetic Spectrum

2. Visible Color
White Light is made up of 3 primary colors that are mixed.

3. Your Eyes
Light enters your eye and is focused on the retina, made up of 2 types of cell: RODS and CONES.
Cones are what allow you to see color
Rods are what allow you to see black and white

4. Color Blindness
A genetic condition that causes the cones to not function right.
Happens to 8% of men, and 0.5% in women.
Usually it is only red and green that color blind people have a problem telling apart.

5. Color vs. Pigment White Light Pigment
Pigment is a colored material that absorbs some colors and reflects others. Like paint.
White Light
Pigment