Objects and background should vary in brightness or saturation, in addition to hue, and color text on color backgrounds should also be avoided when possible.

图形和背景除了色调不同外，饱和度和亮度也应有区别。如果可能，应尽量避免在彩色背景上运用彩色文本。

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This can be done through changing color schemes and backgrounds or adding content.

这个可以通过改变模版颜色和背景，或者是增加内容来实现。

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Dark backgrounds are very effective, but be sure to make text a light color for easy reading.

暗色背景非常有效，但为了易读要确保内容是亮色的。

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Field has added service reps with backgrounds in color processing and printing to make sure the customers always get flesh-toned faces in their brochures.

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