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Warm and cool colours — Art, 7–10

Some colours seem to come forward with heat, while others feel quieter and farther away. Art, 7–10 years.

What warm and cool colours do

Reds, oranges and yellows often feel warm, like fire or sunlight. Blues, greens and violets often feel cool, like water or shade. This is not a strict rule: a colour can feel warmer or cooler depending on the colours beside it and the subject of the picture.

Why artists use temperature

Artists use warm and cool colours to help a picture feel sunny, cold, calm, exciting or distant. Before electric light, painters studied how firelight, daylight and blue shadow changed what people saw. The problem was not naming colours; it was making a scene feel like a particular place or time.

A warm and cool sky

Imagine a sunset over a lake. First, paint the upper sky with dark blue and violet to suggest cool evening air. Next, place orange and yellow near the horizon, where the sun has just gone down. Finally, reflect a little orange in the water, but keep most of it blue, so the warm light and cool lake can both be felt.

The temperature trap

A common mistake is to treat every blue as cold and every red as warm. That feels reasonable because we connect blue with ice and red with fire. But a blue with a little red may feel warmer than a blue with green, and a red beside orange may seem less warm than the same red beside blue. Compare colours in their setting.

Where colour temperature appears

You can see colour temperature in posters, clothing, room design and photographs. A restaurant might use warm colours to feel lively, while a hospital room may use cooler colours to feel quiet. These choices do not control everyone’s feelings, but they can influence the first impression of a place or image.

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