It’s all because of color constancy, which helps the brain recognize objects regardless of the ... be even lighter than it really is. Another example of color constancy: the left inner box ...

Previous color-changing systems have been somewhat ... which they hope to improve on by activating colors closer together on an object. For example, activating blue and red might show purple ...

Users can program objects to change color. MIT CSAIL While systems for changing objects’ colors exist—for example, Japanese researchers created a “photochromic carpet” that allowed users ...

In the sample image, I held down the option key ... This creates a layer to adjust the object’s color. In the Adjustment Layer Properties Box, drag the hue slider to start changing the object ...