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                ### 導航 - [索引](../genindex.xhtml "總目錄") - [模塊](../py-modindex.xhtml "Python 模塊索引") | - [下一頁](imghdr.xhtml "imghdr --- 推測圖像類型") | - [上一頁](chunk.xhtml "chunk --- Read IFF chunked data") | - ![](https://box.kancloud.cn/a721fc7ec672275e257bbbfde49a4d4e_16x16.png) - [Python](https://www.python.org/) ? - zh\_CN 3.7.3 [文檔](../index.xhtml) ? - [Python 標準庫](index.xhtml) ? - [多媒體服務](mm.xhtml) ? - $('.inline-search').show(0); | # [`colorsys`](#module-colorsys "colorsys: Conversion functions between RGB and other color systems.") --- Conversions between color systems **Source code:** [Lib/colorsys.py](https://github.com/python/cpython/tree/3.7/Lib/colorsys.py) \[https://github.com/python/cpython/tree/3.7/Lib/colorsys.py\] - - - - - - The [`colorsys`](#module-colorsys "colorsys: Conversion functions between RGB and other color systems.") module defines bidirectional conversions of color values between colors expressed in the RGB (Red Green Blue) color space used in computer monitors and three other coordinate systems: YIQ, HLS (Hue Lightness Saturation) and HSV (Hue Saturation Value). Coordinates in all of these color spaces are floating point values. In the YIQ space, the Y coordinate is between 0 and 1, but the I and Q coordinates can be positive or negative. In all other spaces, the coordinates are all between 0 and 1. 參見 More information about color spaces can be found at <http://poynton.ca/ColorFAQ.html> and <https://www.cambridgeincolour.com/tutorials/color-spaces.htm>. The [`colorsys`](#module-colorsys "colorsys: Conversion functions between RGB and other color systems.") module defines the following functions: `colorsys.``rgb_to_yiq`(*r*, *g*, *b*)Convert the color from RGB coordinates to YIQ coordinates. `colorsys.``yiq_to_rgb`(*y*, *i*, *q*)Convert the color from YIQ coordinates to RGB coordinates. `colorsys.``rgb_to_hls`(*r*, *g*, *b*)Convert the color from RGB coordinates to HLS coordinates. `colorsys.``hls_to_rgb`(*h*, *l*, *s*)Convert the color from HLS coordinates to RGB coordinates. `colorsys.``rgb_to_hsv`(*r*, *g*, *b*)Convert the color from RGB coordinates to HSV coordinates. `colorsys.``hsv_to_rgb`(*h*, *s*, *v*)Convert the color from HSV coordinates to RGB coordinates. 示例: ``` >>> import colorsys >>> colorsys.rgb_to_hsv(0.2, 0.4, 0.4) (0.5, 0.5, 0.4) >>> colorsys.hsv_to_rgb(0.5, 0.5, 0.4) (0.2, 0.4, 0.4) ``` ### 導航 - [索引](../genindex.xhtml "總目錄") - [模塊](../py-modindex.xhtml "Python 模塊索引") | - [下一頁](imghdr.xhtml "imghdr --- 推測圖像類型") | - [上一頁](chunk.xhtml "chunk --- Read IFF chunked data") | - ![](https://box.kancloud.cn/a721fc7ec672275e257bbbfde49a4d4e_16x16.png) - [Python](https://www.python.org/) ? - zh\_CN 3.7.3 [文檔](../index.xhtml) ? - [Python 標準庫](index.xhtml) ? - [多媒體服務](mm.xhtml) ? - $('.inline-search').show(0); | ? [版權所有](../copyright.xhtml) 2001-2019, Python Software Foundation. Python 軟件基金會是一個非盈利組織。 [請捐助。](https://www.python.org/psf/donations/) 最后更新于 5月 21, 2019. [發現了問題](../bugs.xhtml)? 使用[Sphinx](http://sphinx.pocoo.org/)1.8.4 創建。
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