Color & Vision

By: Destiny Parry and Melissa Ringler

COLOR AND VISION

HOW THE EYE SEES COLOR• Sunlight = White light

• White light = Rainbow

HOW THE EYE SEES COLOR CONT.

THE EYE• Cones

• Rods

ARE BLACK AND WHITE COLORS?

Theory #1- Color as light

• Black is not a color

• White is a color

ARE BLACK AND WHITE COLORS? CONT.

Theory #2- Color as pigment/ coloring agents

• Black is a color

• Pure white is not a color

ARE BLACK AND WHITE COLORS? CONCLUSION

Vision and Reflection

• Black is not a color

• White is a color

COLOR-BLINDNESS

• Lack of color sensing pigment

Absence of red retinal photoreceptors.

Absence of blue retinal receptorsAbsence of green retinal

photoreceptors

Normal color vision

Plate 1What number do you see?

Plate 2What number do you see?

Plate 3What number do you see?

Plate 4What number do you see?

74 6

2970

Nothing

Nothing 5

Nothing

FUN COLOR FACTS• Red- The Aztecs considered red dye to be more valuable than gold

• Orange- Frito-Lay’s made a Cheeto that changed from neon-orange in your hand to blue or green in your mouth

• Yellow- The combinations of black writing on a yellow background are the best color combination for printed material

• Green- US currency is green because the pigment was readily available in large quantities and is resistant to chemical and physical changes

• Blue- A spider’s blood turns blue when exposed to oxygen