16       Color Standards and Nomenclature.

terms. It is not strictly correct to say a "dark tint" or
"light shade" of any color, because a tint implies a color
paler than the full color, while a shade means exactly
the opposite; and to say an "orange shade (or tint) of
red," a "greenish shade (or tint) of blue," a "bluish
shade (or tint) of violet," etc., is an absurdity, for the
term hue, which specifically and alone refers to relative
position in the spectrum scale, without reference to light¬
ness or darkness, is the only one which can correctly be
used in such cases.

Indeed the standardization of color terms is almost
if not quite as important, in the interest of educational
progress, as that of the colors themselves and their
names ; therefore, to make easy a clear understanding of
the specific meaning of each, the following definitions
are given:—

Color.—The term of widest application, being the
only one which can be used to cover the entire range of
chromatic manifestation; that is to say, the spectrum
colors (together with those between violet and red, not
shown in the spectrum) with all their innumerable vari¬
ations of luminosity, mixture, etc. In a more restricted
sense, applied to the six distinct spectrum colors (red,
orange, yellow, green, blue, and violet), which are some¬
times distinguished as fundamental colors or spectruTtt
colors.

Hue.—While often used interchangeably or syn¬
onymously with color, the term hue is more properly re¬
stricted by special application to those lying between
any contiguous pair of spectrum colors (also between
violet and purple and between purple and red); as an
orange hue (not shade or tint, as so often incorrectly
said) of red; a yellow htie of orange ; a greenish hue of
yellow, a bluish hue of green;  a violet hue of blue, etc.

Tint.—Any color (pure or broken) weakened by
high illumination or (in the case of pigments) by ad-