Definition of "colour" []

• Chiefly British Variant of color. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Speaking of the highly-coloured males, especially among birds, the same writer states that "the _normal colour_ (italics ours) is that of the young and the female, and the colour of the male is the result of his excessive variability.""
• "Shadow is, on the contrary, necessary to the full presence of colour; for every colour is a diminished quantity or energy of light; and, practically, it follows from what I have just told you -- (that every light in painting is a shadow to higher lights, and every shadow a light to lower shadows) -- that also every _colour_ in painting must be a shadow to some brighter colour, and a light to some darker one -- all the while being a positive colour itself."
• "a considerable degree of what might be called naturalism, so far as good line-drawing and understanding of flower form goes, emphasis of colour being sought by means of _planes of colour_, rather than by planes of shadow."