Standard Colours. Coefficient
V. U. E. of brightness.
B8 , 100 = 2 36 7 ............ 45
B7 Y1, 100 = 1 18 17 ............ 37
B6 Y2, 100 = 4 11 34 ............ 49
B5 Y3, 100 = 9 5 40 ............ 54
B4 Y4, 100 = 15 1 40 ............ 56
B3 Y5, 100 = 22 - 2 44 ............ 64
B2 Y6, 100 = 35 -10 51 ............ 76
B1 Y7, 100 = 64 -19 64 ............ 109
Y8, 100 = 180 -27 124 ............ 277
The columns V, U, E give the proportions of the standard colours which
are equivalent to 100 of the given colour; and the sum of V, U, E
gives a coefficient, which gives a general idea of the brightness. It
will be seen that the first admixture of yellow _diminishes_ the
brightness of the blue. The negative values of U indicate that a
mixture of V, U, and E cannot be made equivalent to the given colour.
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