: ON THE SECONDARY, ORANGE.
or Orange Lake. It has been said that the yellows so-called produced
from madder are not remarkable for stability, differing therein from the
reds, purples, russets, and browns. Like them, this 'orange' is of
doubtful colour and permanence, and not to be met with, brilliant and
pure, on the palette of to-day. The russet known as Rubens' madder has a
tendency to orange.