exploratorium

Exhibits

  • Countless Colors exhibit
  • Countless Colors exhibit with pink and purple lights
  • Countless Colors exhibit with blue and green lights
  • Countless Colors exhibit
  • Countless Colors exhibit with pink and purple lights
  • Countless Colors exhibit with blue and green lights

Countless Colors

How many colors can you make by mixing red, green, and blue light?

Where:   Bechtel Gallery 3: Seeing & Listening
Exhibit Developers:   Richard O. Brown and Ulrika Andersson, 2001
Subjects:
Phenomena: Color, Color Mixing
Collections: Seeing

More to explore

Science activity that demonstrates the primary and secondary colors of light
The Three Little Pigments
Know your C, M, Y, and K.
Science activity investigating spectroscopy
CD Spectroscope
Turn an old CD into a spectroscope to analyze light.
Science activity that uses color chromatography to discover the secret colors hidden in black ink
Separation Anxiety
Use color chromatography to separate black ink.
Science activity that demonstrates human visual perception of images on a smartphone
Pixels, Pictures, Phones
Take a (super) close look at your smartphone. You may be surprised by what you see.

Related exhibits
Colored Shadows

Not all shadows are black.

Chromoscope

A color photo is three pictures in one.

Colored Circles

Overlapping pools of red, blue, and green create a Venn diagram of additive color. 

Aurora

A reflector stretches light from colored tiles into long bright ribbons.