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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Combining features of robot fish and location background, an adaptive segmentation algorithm based on hue histogram and saturation histogram is proposed.

结合机器鱼本体和场地背景的特征，提出了一种基于色度直方图和饱和度直方图的自适应阈值分割算法；

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This paper analyzes the characteristics of the characters under complex background to propose a segmentation method combining the threshold method and the region-growing method for the hue.

通过分析复杂背景中字符存在的特点，针对快速分割和识别的应用需求，提出了一种在色调上将阀值法和区域生长法相结合的分割方法。

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In the first phase of the study, the researchers showed that their volunteers (Surrey university students) were slower to notice a target shade of blue when it flashed up against a blue background of a different hue than when it flashed up against a green background.

ECONOMIST: Psychology