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Color standard arrangement

  • US 5,026,286 A
  • Filed: 05/19/1989
  • Issued: 06/25/1991
  • Est. Priority Date: 02/10/1986
  • Status: Expired due to Fees
First Claim
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1. A color order spacial system for classifyably arranging distinct color shades to be derived from a number of at least three pure colors (31,33,35) related to complementary colors (30,32,34) and a color white (6), said spacial system comprising;

  • display means having areas (14 to

         19) in a spacial configuration for receiving each of said color shades in a predefined spacial location,said spacial configuration defining an inner surface zone (8) and an outer surface zone (7),said color shades of said spacial locations varying in respective radial and axial directions of said spacial configuration in visually substantially equal gradations;

    a. of density values extending from a spacial location for a maximum brightness value approaching the color white toward a spacial location for a maximum density value;

    b. of tint values derived from substantially uniformly varying mixing ratios of at least two of the pure colors and of decreasing chroma values defined by an increasing gray tint value,the associated spacial locations for at least three pure colors (30 to

         35) being provided near the inner zone (8) and the chroma values decreasing toward the outer zone (7) whereby the most turbid colors are on the outside of said spacial configuration.

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