GRC Quiz 1

Primary Colors (RGB)

Red, Blue, Green

Secondary Colors

Yellow, Cyan, Magenta

Complementary Colors

Opposite colors on the color wheel

Complement of Red

Cyan

Complement of Blue

Yellow

Complement of Green

Magenta

Color Wheel Division

Circle divided into 6ths (60 degrees apart)

Color Wheel Order (Counterclockwise)

Red, yellow, green, cyan, blue, magenta

Spectrum Range

10 to -6th power nm to 100 km

Spectrum Order

Gamma radiation, x-rays, UV, visible light, infrared, microwave, radio

Visible Light Range

380 nm to 700 nm

Blue Cone Sensitivity

437 nm

Green Cone Sensitivity

533 nm

Red Cone Sensitivity

564 nm

Rod Sensitivity

498 nm

Visible Electromagnetic Energy

380 nm to 700 nm wavelength

Color Defective Vision Rate

12.2% of the population

Most Common Color Defect

Red and green genetic insensitivity

Deuteranomaly

Green defective; most common (6.0% males, 0.4% females)

Retina

Tissue at the back of the eye that converts light into signals sent to the optic nerve

Macula

Center of the retina with most cones; responsible for sharp central vision

Fovea

Part of the macula with highest cone concentration; best color and daylight vision

Optic Disk

No rods or cones; signals travel through optic nerve to brain

Rods

125 million; night and peripheral vision; not for color; sensitive to green

Cones

6 million; color vision, detail, bright light; mostly in macula

Vitreous

Firm gelatin that holds the eye in place

Sclera

Strong outer layer that maintains pressure

Cornea

Lens magnifier and focusing power

Aqueous Humor

Fluid in front of the eye

Aperture

Opening that lets light in

Farnsworth-Munsell Test

Measures color discrimination ability

100 Hue Test Components

85 color caps and 100 total hues