colour illusions - sfu.cakathleea/colour/colour slides/c11.colour illusions.pdf · the mccullough...
TRANSCRIPT
Colour Illusions
Simultaneous colour contrast
Animated versions...
Neon Colour Spreading
Colour Assimilation
Benham's Top
Chromatic NegativeAfterimageFixate on either of the twocrosses; now fixate on the othercross.
http://www.grand-illusions.com/opticalillusions/colour_illusion/
The McCullough Effect.
After alternately viewing a vertical stripe ofblack and magenta and a horizontal one ofblack and green, observers see illusorygreen in a vertical stripe of black and whiteand illusory magenta in a horizontal one ofblack and white.
The Watercolor Illusion
The Wave-Line Illusion
The Troxler Effect(Peripheral Fading)
http://www.michaelbach.de/ot/col_lilacChaser/index.html