William Beck

William Beck was an engineer trained in the use of the Munsell color system which considers the attributes and inrelationhip of hue, value and chroma. Part of his analysis is given in the table below for hue and the various plate groups.

B = Blue	G = Green	Y = Yellow
Hue Numbers	57.5 – 55	55 – 52.5	52.5 – 50	50 -47.5	47.5 – 45	45 – 42.5
Hues	BGB to BG	BG to GBG	GBG	GBG to G	G	G to GYG
14058	X	X	X
15798			X
17456				X	X
16445				X	X
17414				X	X	X
17617				X	X	X
19135	X	X	X	X	X	X

There is a greater distinction when Beck relates hue to value and chroma for the plate groups. The relationships are a bit complex and you must read the Jones and Beck articles to get an appreciation.

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