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        | an aspect of vision that makes a halo effect |  | 
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        | the name for the visual phenomenon that creates a complementary afterimage of a color after gazing at it for a brief but sustained period of time. |  | 
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        | When a field of color is composed of small particulate color shapes, one's mind fuses the disparate visual phenomena into a comprehensible whole. |  | 
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        | the hue and value of the overlapping area lie precisely halfway between the hue and value of the two parent colors. |  | 
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        | the intersecting tone is darker in value than both overlapping colors |  | 
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        | a term coined by Harriet Schorr in reference to painting from observation in a manner emphasizing the faithful transcription of colored shapes as they appear flat on to the r retina of the eye. |  | 
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        | when an After Image becomes achromatic... |  | Definition 
 
        | it effects the grays so it lacks both hue and saturation leaving the afterimage with just one hue. |  | 
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        | If you cast a dark gray onto an afterimage light gray what will happen? |  | Definition 
 
        | The after image will become lighter in value than the lightest gray before. |  | 
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        | What happen if color is in the afterimage? |  | Definition 
 
        | It is still govern by the same rules of the "black, white and gray" expect if the afterimage has a blue hue, it will cast an orange hue. |  | 
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        | Most Influential Color Educator of the 2nd half of century. Interaction of Color. He found that surrounding one color by another you will change the 1st one. |  | 
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        | 19th century who used optical mixing is their work |  | 
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        | 19th century who used optical mixing is their work |  | 
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        | Median Transparency works best when what differs? |  | Definition 
 
        | Parent Color DIFFER in value |  | 
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        | Dark Transparency works best when what differs? |  | Definition 
 
        | Parent Color CLOSE in value |  | 
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        | Median/Dark Transparency DOES NOT work in? |  | Definition 
 
        | Two parent colors are both dark and equal in value. |  | 
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        | What does the author mean by “knowing obscures seeing"? |  | Definition 
 
        | Most people tend to ignore what they see in factor of what they know |  | 
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        | employs the use of the grid and abstract color shapes to create larger than life portraits. Understand Successive contrast. |  | 
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        | What modern examples of optical mixing technique are common today? |  | Definition 
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