Simultaneous Contrast: When two colors come into contact, the contrast intensifies the difference between them. :
In this image you will see a middle gray is surrounded by dark gray it appears lighter than when surrounded by a lighter gray.
The OpenLab at City Tech:A place to learn, work, and share
The OpenLab is an open-source, digital platform designed to support teaching and learning at City Tech (New York City College of Technology), and to promote student and faculty engagement in the intellectual and social life of the college community.
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The contrast between the middle grays on the bottom are very predominant and it’s easy to see the hue changing because of the background. I really like this because the paint looks flat and cleanly applied. Good job!