Additive Color Mixing
A demonstration of additive color mixing, such as the light from a computer monitor.
Moveable Circles Photo
Afterimage
The opponent reverse image remains after staring at a saturated picture.
Flashing Version 2 Flashing Outlines Photos
Benham's Disk
Streaks of color elicited from a rotating black and white disk.
Alternate Pattern -- Vector Alternate Pattern Bitmap v. Vector Black Background Flickering Linear Linear, Inverted Simple Sizeable Sizeable, Thicker Version
Bidwell's Ghost
An afterimage caused by a flickering picture.
Color Mixing Wheel
A different example of color mixing that defies additive or subtractive properties.
Color Space
A multi-purpose color mixing applet.
HSB
Fading Dot
Stare at this dot and it merges with the surround.
Ishihara Color Blindness
These figures are used clinically to test for color blindness.
Isoluminance
Calibrates these applets so that red, green, and blue are isoluminant on your monitor.
Ambiguous Figures Blue to Green Checkerboard - Red/Green Einstein Einstein Stamp Gradient Red to Blue Red to Green
Land Effect
Example of simultaneous contrast similar to the Land Effect.
Masked
MacKay Star
Odd waves of color from a black and white star.
Afterimage Colored Contrast
Maxwell's Spot
A look at your own macula (seeing the macula retinae).
McCollough Effect
A very interesting and persistent form of an after effect.
Blue and Yellow Moving Colors Without Sound
Neon Color Spreading
The color of an illusory figure leads to a glow of color.
Dynamic Circles Dynamic Transparent Circles Grid Lines Pinna's Spreading
Reflective Color Mixing
A way to mix additive colors on your screen.
Spatial Color Mixing
A direct representation of additive color mixing on your computer screen.
Spectral Line
A single line of color to view with a prism or diffraction grating.
Spectral Mixing
A color mixing applet to configure the screen as a light source for diffraction and refraction.
Subtractive Color Mixing
A simulation of subtractive color mixing, such as exhibited in paint.
von Bezold Effect
A colorful demonstration of subjective brightness.
Scalable
...color
© Trustees of Boston University 2002 - 2005
Project LITE supported by NSF Grant # DUE-0125992