gradation

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In art, the gradual blending of one tint or tone with another. When painting, gradation can be most easily and effectively achieved by thinning down the medium or by adding progressively more white to lighten a tone. Darker tones can be created by the addition of blues, reds, or greens. Pastels and chalks lend themselves particularly well to gradation because they blend so well.

White stands for Islam, peace, optimism, light, and love. Red recalls the martyrs of Sudan and the people's struggle. Black stands for Sudan and the Mahdiya revolution of the 1880s. Effective date: 20 May 1970. >>