Tuesday, February 21, 2012

Color Theory


1)  Bezold Effect/Color Assimilation: make two colors appear more alike.
This color interaction was described by a German Professor, Wilhelm von Bezold,  who noticed that thin stripes or small amounts of color interspersed started looking more alike (assimilate).  Thin stripes of purple on a blue background will appear more blue-violet; thin stripes of purple on a red background will appear more red-violet.


2)  Color Vibration/Vibrating Boundaries
If two or more colors that have the same value and chroma, it will be hard to focus on both colors or the edge between them.  Color vibration may seem more apparent in strong chroma hues, however, vibration may also occur in color pairs that are lighter in value or weaker in chroma.


3)  Simultaneous Contrast: make one color look like two colors.
Colors appear different on different colored backgrounds.  A small sample color changes in the opposite direction as the surrounding field. For example, on a blue background, a purple sample appears more red-violet; whereas, on a red background the same color purple appears more blue-violet. On a light background, the sample color appears darker, whereas on a dark background the sample color appears lighter.  On a weak chroma background, the sample color appears stronger but the same color appears weaker in chroma on a strong chroma background. 

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