PSYCH 1XX3 Chapter : PSYCH 1XX3 Colour perception .docx
7 May 2014
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Blue & yellow =green: ie: a blue object looks blue b/c all wavelengths are being absorbed by the object except short, blue waves, which are reflected back to our eye and making the object look blue, mixing two pigments means all wavelengths are beings absorbed except those that the two pigments jointly reflect, shining a white light thru a yellow and blue filter, the remaining light on the screen is green b/c the light hits yellow filter, all short waves (blues and purples) are absorbed or subtracted out. This is how our visual system processes colour, by adding the effects of diff. wavelengths together in our nervous system: primary colours: red, green and blue b/c they can be added together in proportions to make all the diff. colours that we see, mixing a primary colour with its complementary colour gets white or grey, complementary color of:
