CHAPTER VII.
COLOUR WITH REFERENCE TO LIGHT In choosing colour for walls and ceilings, it is most necessary to consider the special laws which govern its application to house interiors.
The tint of any particular room should be chosen not only with reference to personal liking, but first of all, to the quantity and quality of light which pervades it.

A north room will require warm and bright treatment, warm reds and golden browns, or pure gold colours.
Gold-colour used in sash curtains will give an effect of perfect sunshine in a dark and shadowy room, but the same treatment in a room fronting the south would produce an almost insupportable brightness.
I will illustrate the modifications made necessary in tint by different exposure to light, by supposing that some one member of the family prefers yellow to all other colours, one who has enough of the chameleon in her nature to feel an instinct to bask in sunshine.

I will also suppose that the room most conveniently devoted to the occupation of this member has a southern exposure.

If yellow must be used in her room, the quality of it should be very different from that which could be properly and profitably used in a room with a northern exposure, and it should differ not only in intensity, but actually in tint.

If it is necessary, on account of personal preference, to use yellow in a sunny room, it should be lemon, instead of ochre or gold-coloured yellow, because the latter would repeat sunlight.