CentroidsISCCNBS | R Documentation |
CentroidsISCCNBS
is a table with the centroids
of the revised ISCC-NBS Color-Name Blocks, taken from Kelly (1958)
This data.frame
has 267 rows and these columns:
ISCC-NBS number (an integer from 1 to 267)
ISCC-NBS name
Munsell specification of the centroid of the block a (character string)
The earliest paper I am aware of is by Nickerson, et. al. in 1941.
After the big Munsell renotation in 1943, the name blocks were revised in 1955.
When the central colors were recomputed in
Kelly (1958), they were called the "Central Colors",
though the text makes it clear that most are truly centroids,
which were computed from the centroid of an "elementary shape",
which is a "sector of a right cylindrical annulus".
For the "peripheral blocks" of high chroma, the centroids were
"estimated graphically by plotting the MacAdam limits".
In Kelly (1965) these were called "centroid colors",
and that is the name we will use here.
Glenn Davis
Nickerson, Dorothy and Sidney M. Newhall. Central Notations for ISCC-NBS Color names. J Opt. Soc. Am. Vol 31 Iss. 9. pp. 597-591. 1941.
Newhall, Sidney M., Dorothy Nickerson, Deane B. Judd. Final Report of the O.S.A. Subcommitte on the Spacing of the Munsell Colors. Journal of the Optical Society of America. Vol. 33. No. 7. pp. 385-418. July 1943.
Kelly, Kenneth L. and Deane B. Judd The ISCC-NBS Method of Designating Colors and a Dictionary of Color Names. National Bureau of Standards Circular 553. Washington DC: US Government Printing Office. November 1, 1955.
Kelly, Kenneth Low. Central Notations for the Revised ISCC-NBS Color-Name Blocks. Journal of Research of the National Bureau of Standards. Research Paper 2911. Vol. 61 No. 5. pp. 427-431. November 1958.
Kelly, Kenneth Low. A Universal Color Language. Color Engineering. Vol. 3 No. 2. pp. 2-7. March-April, 1965.
print( CentroidsISCCNBS[ 1:5, ] ) ## Number Name MunsellSpec ## 1 1 vivid pink 1.5R 7/13 ## 2 2 strong pink 1.5R 7.5/9.1 ## 3 3 deep pink 1.9R 6.0/11.1 ## 4 4 light pink 2.5R 8.6/5.2 ## 5 5 moderate pink 2.5R 7.2/5.2
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