Questions 1. What is additive color mixing? How does it work? 2. What is subtractive color mixing? How does it work? 3. What type of color mixture is employed by: 1) television and 2) impressionistic (pointillist) painting? Famous dress: This portion of the lab can be completed individually. Color constancy is a feature of the human color perception system, which attempts to make colors appear consistent under varying types of illumination. In order to complete this lab, follow the steps below: 1. Go to http://knowyourmeme.com/memes/thedress-what-color-is-this-dress 2. Read the article and look at the first picture. Describe the colors you see. 3. Answer the questions at the end of the lab packet. You may use your textbook & internet resources (be careful!) to answer these questions. 4. Why did you see the afterimage as red, blue, and white (explain the opponency of ganglion & 5. 6. LGN cells in your answer)? Why did the afterimage look bigger on the wall compared to the desk? How might we test for Tritanopia in this lab? How would a rod monochromat perform on the color vision test? What is color constancy? How might this concept explain the different colors people perceive when looking at the dress?