Contraste des couleurs complémentaires

dandelion flowers under the redbud

ISO 100 f/5.6 1/160s 55mm

Complimentary colors can make a strong balance to ease viewer’s eyes, if they have been applied on particular ratio. This is ‘Rule: Contrast of complementary Colors’, one of six contrast rules devised by Harald Mante in “La Couleur en Photographie.”

Purple and yellow are compliments, according to Mante’s book, with 9 and 3 units of luminance in sequence. So the frame must include purple area 3 times more than yellow. This is how it get into balance and may comfort the eyes.

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