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Portable Network Graphic  |  1991-09-14  |  54KB  |  816x1056  |  8-bit (256 colors)
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OCR: Three color models RGB HSB, and CMYK, are available in the Custom Color Table dial log box for defining colors (chooseColors from the Options menu) Color models let you define colors numerically So you can return to specific color. color may look different when displayed on another monitor, but it will maintain the same numerical value when used in another program on another system The red, green blue RGB model is used for video displays because these colors are additive they can be combined produce other colors These colors are widely separated in the color spectrum, ar can be blended into the broadest range of intermediate colors The hue saturation and brightness HSB model is based on the behavior of light. In this model, hue is the "color" perceived by the eye Saturation S the degree tc ...