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Commit0d8449f

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ENH: Add Petroff 6 and 8 color cycle style sheets
* Add the 6 color and the 8 color Petroff color cycles from Matthew A. Petroff, Accessible Color Sequences for Data Visualizationhttps://arxiv.org/abs/2107.02270. The 10 color cycle was added in PR 27851 which landed in Matplotlib v3.10.0.
1 parent759765c commit0d8449f

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‎lib/matplotlib/_cm.py

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@@ -1365,6 +1365,29 @@ def _gist_yarg(x): return 1 - x
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(0.8509803921568627,0.8509803921568627,0.8509803921568627 ),# d9d9d9
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)
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# Colorblind accessible palettes from
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# Matthew A. Petroff, Accessible Color Sequences for Data Visualization
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# https://arxiv.org/abs/2107.02270
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_petroff6_data= (
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(0.3411764705882353,0.5647058823529412,0.9882352941176471),# 5790fc
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(0.9725490196078431,0.611764705882353,0.12549019607843137),# f89c20
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(0.8941176470588236,0.1450980392156863,0.21176470588235294),# e42536
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(0.5882352941176471,0.2901960784313726,0.5450980392156862),# 964a8b
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(0.611764705882353,0.611764705882353,0.6313725490196078),# 9c9ca1
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(0.47843137254901963,0.12941176470588237,0.8666666666666667),# 7a21dd
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)
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_petroff8_data= (
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(0.09411764705882353,0.27058823529411763,0.984313725490196),# 1845fb
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(1.0,0.3686274509803922,0.00784313725490196),# ff5e02
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(0.788235294117647,0.12156862745098039,0.08627450980392157),# c91f16
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(0.7843137254901961,0.28627450980392155,0.6627450980392157),# c849a9
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(0.6784313725490196,0.6784313725490196,0.49019607843137253),# adad7d
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(0.5254901960784314,0.7843137254901961,0.8666666666666667),# 86c8dd
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(0.3411764705882353,0.5529411764705883,1.0),# 578dff
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(0.396078431372549,0.38823529411764707,0.39215686274509803),# 656364
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)
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_petroff10_data= (
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(0.24705882352941178,0.5647058823529412,0.8549019607843137),# 3f90da

‎lib/matplotlib/colors.py

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@@ -131,6 +131,8 @@ class ColorSequenceRegistry(Mapping):
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'Set1':_cm._Set1_data,
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'Set2':_cm._Set2_data,
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'Set3':_cm._Set3_data,
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'petroff6':_cm._petroff6_data,
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'petroff8':_cm._petroff8_data,
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'petroff10':_cm._petroff10_data,
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}
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# Color cycle survey palette from Petroff (2021):
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# https://arxiv.org/abs/2107.02270
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# https://github.com/mpetroff/accessible-color-cycles
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axes.prop_cycle: cycler('color', ['5790fc', 'f89c20', 'e42536', '964a8b', '9c9ca1', '7a21dd'])
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patch.facecolor: 5790fc
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# Color cycle survey palette from Petroff (2021):
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# https://arxiv.org/abs/2107.02270
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# https://github.com/mpetroff/accessible-color-cycles
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axes.prop_cycle: cycler('color', ['1845fb', 'ff5e02', 'c91f16', 'c849a9', 'adad7d', '86c8dd', '578dff', '656364'])
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patch.facecolor: 1845fb

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