Abstract

Methods are presented whereby the formulation of colorants needed to effect a visual color match of a given standard may be computed from spectrophotometric measurements of the colorants and standard.

© 1944 Optical Society of America

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References

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  1. D. B. Judd, J. Opt. Soc. Am. 23, 194, 359 (1933).
  2. A. C. Hardy, Handbook of Colorimetry (Technology Press, 1936).
  3. O. W. Pineo, U. S. Pat. No. 2,176,013 (1939), U. S. Pat. No. 2,218,357 (1940).
  4. S. Q. Duntley, J. Opt. Soc. Am. 32, 61 (1942).
    [Crossref]
  5. J. L. Saunderson, J. Opt. Soc. Am. 32, 727 (1942).
    [Crossref]
  6. J. G. Grundy, Proc. Phys. Soc. 54, 1 (1942).
    [Crossref]
  7. S. Q. Duntley, Am. Dye Reporter 30, 698 (1941).
  8. A. Beer, Ann. d. Physik (Leipzig) 86, 78 (1852).
    [Crossref]
  9. E. I. Stearns and F. Noechel, to be published in Am. Dye Reporter.

1942 (3)

1941 (1)

S. Q. Duntley, Am. Dye Reporter 30, 698 (1941).

1933 (1)

D. B. Judd, J. Opt. Soc. Am. 23, 194, 359 (1933).

1852 (1)

A. Beer, Ann. d. Physik (Leipzig) 86, 78 (1852).
[Crossref]

Beer, A.

A. Beer, Ann. d. Physik (Leipzig) 86, 78 (1852).
[Crossref]

Duntley, S. Q.

S. Q. Duntley, J. Opt. Soc. Am. 32, 61 (1942).
[Crossref]

S. Q. Duntley, Am. Dye Reporter 30, 698 (1941).

Grundy, J. G.

J. G. Grundy, Proc. Phys. Soc. 54, 1 (1942).
[Crossref]

Hardy, A. C.

A. C. Hardy, Handbook of Colorimetry (Technology Press, 1936).

Judd, D. B.

D. B. Judd, J. Opt. Soc. Am. 23, 194, 359 (1933).

Noechel, F.

E. I. Stearns and F. Noechel, to be published in Am. Dye Reporter.

Pineo, O. W.

O. W. Pineo, U. S. Pat. No. 2,176,013 (1939), U. S. Pat. No. 2,218,357 (1940).

Saunderson, J. L.

Stearns, E. I.

E. I. Stearns and F. Noechel, to be published in Am. Dye Reporter.

Am. Dye Reporter (1)

S. Q. Duntley, Am. Dye Reporter 30, 698 (1941).

Ann. d. Physik (Leipzig) (1)

A. Beer, Ann. d. Physik (Leipzig) 86, 78 (1852).
[Crossref]

J. Opt. Soc. Am. (3)

Proc. Phys. Soc. (1)

J. G. Grundy, Proc. Phys. Soc. 54, 1 (1942).
[Crossref]

Other (3)

A. C. Hardy, Handbook of Colorimetry (Technology Press, 1936).

O. W. Pineo, U. S. Pat. No. 2,176,013 (1939), U. S. Pat. No. 2,218,357 (1940).

E. I. Stearns and F. Noechel, to be published in Am. Dye Reporter.

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Equations (11)

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F ( R ) = a F ( R a ) + b F ( R b ) + c F ( R c ) ,
F ( R ) = log 1 / R .
F ( R ) = ( 1 - b ) 2 / 2 b
F ( R ) = 1 - R m ( R - 0.01 ) + 0.01 ,
a x F ( R a ) + b x F ( R b ) + c x F ( R c ) = x F ( R s ) , a y F ( R a ) + b y F ( R b ) + c y F ( R c ) = y F ( R s ) , a z F ( R a ) + b z F ( R b ) + c z F ( R c ) = z F ( R s ) ,
Δ R = R a Δ a + R b Δ b + R c Δ c .
F ( R ) R R a = F ( R a ) ,
R a = F ( R a ) F ( R ) .
R b = F ( R b ) F ( R ) , R c = F ( R c ) F ( R ) .
Δ X = E x ¯ Δ R d λ .
Δ X = Δ a E x ¯ F ( R a ) F ( R ) d λ + Δ b E x ¯ F ( R b ) F ( R ) d λ + Δ c E x ¯ F ( R c ) F ( R ) d λ .