colorsys — Conversions between color systems
Source code: Lib/colorsys.py
The colorsys 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.
See also
More information about color spaces can be found at http://www.poynton.com/ColorFAQ.html and https://www.cambridgeincolour.com/tutorials/color-spaces.htm.
The colorsys module defines the following functions:
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colorsys.
rgb_to_yiq
(r, g, b) Convert the color from RGB coordinates to YIQ coordinates.
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colorsys.
yiq_to_rgb
(y, i, q) Convert the color from YIQ coordinates to RGB coordinates.
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colorsys.
rgb_to_hls
(r, g, b) Convert the color from RGB coordinates to HLS coordinates.
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colorsys.
hls_to_rgb
(h, l, s) Convert the color from HLS coordinates to RGB coordinates.
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colorsys.
rgb_to_hsv
(r, g, b) Convert the color from RGB coordinates to HSV coordinates.
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colorsys.
hsv_to_rgb
(h, s, v) Convert the color from HSV coordinates to RGB coordinates.
Example:
>>> 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)