{"id":599,"date":"2026-05-07T18:40:40","date_gmt":"2026-05-07T10:40:40","guid":{"rendered":"https:\/\/xlwings.net\/blog\/?p=599"},"modified":"2026-03-24T02:07:04","modified_gmt":"2026-03-24T02:07:04","slug":"how-to-use-a-colormap-using-xlwings","status":"publish","type":"post","link":"https:\/\/xlwings.net\/blog\/how-to-use-a-colormap-using-xlwings\/","title":{"rendered":"How To Use a Colormap Using xlwings?"},"content":{"rendered":"

\u3010<\/span>Method<\/span>\u3011<\/span><\/p>\n\n\n

\"\"<\/figure>\n\n\n\n
Name<\/td>Description<\/td>Color Bar<\/td><\/tr>
parula<\/td>Gradient between blue, cyan, orange, and yellow<\/td><\/td><\/tr>
turbo<\/td>Gradient between blue and red<\/td><\/td><\/tr>
hsv<\/td>Hue component variation in the HSV color model<\/td><\/td><\/tr>
hot<\/td>Gradient between black, red, orange, yellow, and white<\/td><\/td><\/tr>
cool<\/td>Gradient between cyan and magenta<\/td><\/td><\/tr>
spring<\/td>Gradient between magenta and yellow<\/td><\/td><\/tr>
summer<\/td>Gradient between green and yellow<\/td><\/td><\/tr>
autumn<\/td>Gradient from red to orange-yellow, yellow<\/td><\/td><\/tr>
winter<\/td>Gradient between blue and green<\/td><\/td><\/tr>
gray<\/td>Linear grayscale color lookup table<\/td><\/td><\/tr>
bone<\/td>Gray color lookup table with a higher blue component<\/td><\/td><\/tr>
copper<\/td>Gradient between black and bright copper<\/td><\/td><\/tr>
pink<\/td>Gradient between magenta and white<\/td><\/td><\/tr>
sky<\/td>Gradient between white and sky blue<\/td><\/td><\/tr>
abyss<\/td>Gradient between deep blue and sky blue<\/td><\/td><\/tr>
jet<\/td>Gradient between blue, cyan, yellow, orange-red, and red<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u3010Example<\/strong>\u3011<\/p>\n\n\n\n

import xlwings as xw\nimport os\n\ndef set_style(cht):\n    cht.ChartArea.Format.Line.Visible=False\n    cht.PlotArea.Format.Fill.Visible=False\n    cht.PlotArea.Format.Line.Visible=True\n    cht.PlotArea.Format.Line.ForeColor.RGB=xw.utils.rgb_to_int((200,200,200))\n    #cht.PlotArea.Format.Line.ForeColor.ObjectThemeColor = msoThemeColorText1\n    ax1=cht.Axes(1)\n    ax2=cht.Axes(2)\n    ax1.HasTitle=True\n    ax1.AxisTitle.Text='Categories'\n    ax1.AxisTitle.Font.Size=10\n    ax1.TickLabels.Font.Size=8\n    #ax1.TickLabels.NumberFormat='0.00'\n    ax1.HasMajorGridlines=False\n    ax2.HasTitle=True\n    ax2.AxisTitle.Text='Values'\n    ax2.AxisTitle.Font.Size=10\n    ax2.TickLabels.Font.Size=8\n    ax2.HasMajorGridlines=False\n    cht.HasTitle=True\n    #cht.ChartTitle.Caption='Plot'\n    #cht.ChartTitle.Font.Size=12\n\nroot=os.getcwd()\napp=xw.App(visible=True,add_book=False)\nwb=app.books.open(root+r'\/data.xlsx',read_only=False)\nsht=wb.sheets('Sheet1')\n\nsht.api.Range('A2:B9').Select()\nshp=sht.api.Shapes.AddChart2(-1,xw.constants.ChartType.xlColumnClustered,20,20,350,250,True)\ncht=shp.Chart\ncht.ChartGroups(1).GapWidth=50\n\ncm=wb.sheets('parula').range('A1:C256').value\n\nfor i in range(8):\n    count=int((i+1)\/8*256)\n    if count==256:\n      r=int(cm[255][0])\n      g=int(cm[255][1])\n      b=int(cm[255][2])\n    else:\n      r=int(cm[count][0])\n      g=int(cm[count][1])\n      b=int(cm[count][2])\n\n    cht.SeriesCollection(1).Points(i+1).Format.Fill. \\\n    ForeColor.RGB=xw.utils.rgb_to_int((r,g,b))\n\nset_style(cht)\n\n#wb.save()\n#app.kill()<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"
Method<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-599","post","type-post","status-publish","format-standard","hentry","category-xlwings-advanced-chart"],"_links":{"self":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts\/599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/comments?post=599"}],"version-history":[{"count":2,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts\/599\/revisions"}],"predecessor-version":[{"id":1434,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/posts\/599\/revisions\/1434"}],"wp:attachment":[{"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/media?parent=599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/categories?post=599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xlwings.net\/blog\/wp-json\/wp\/v2\/tags?post=599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}