Coordinated color chart system, and method for producing same

Details Coordinated color chart system, and method for producing same Coordinated color chart system, and method for producing same

1975-11-06

1977-03-01

Skogquist, Harland S.

G09B 1900

Patent

active

040095274

ABSTRACT:
Three colorants are arranged along three mutually intersecting edges of a color cube, one colorant to each edge, with the amount of each colorant varying from the intersection base corner of the cube to the corresponding outer cube corners. Diagonal planes are then taken through the color cube perpendicular to a diagonal line running from the intersection base cube corner to the diagonally opposite corner of the cube, one plane for each color chart of the system. A plurality of points are selected on each plane, one for each color on the associated chart, the amount of each of the three colorants required to make the chart colors being determined by the points selected on the plane.

REFERENCES:
patent: 824374 (1906-06-01), Munsell
patent: 3751829 (1973-08-01), Foss

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