are easy to distinguish lightening the color theme pygal tends to use dark themes by default for the purposes of printingi've lightened the style of my charts using lightcolorizedstyle this class changes the overall theme of the chartincluding the background and labels as well as the individual country colors to use itfirst import the stylefrom pygal style import lightcolorizedstyle you can then use lightcolorizedstyle on its ownas suchwm_style lightcolorizedstyle but this class gives you no direct control over the color usedso pygal will choose default base color to set coloruse lightcolorizedstyle as base for rotatestyle import both lightcolorizedstyle and rotatestylefrom pygal style import lightcolorizedstylerotatestyle then create style using rotatestylebut pass it an additional base_style argumentwm_style rotatestyle('# 'base_style=lightcolorizedstylethis gives you light overall theme but bases the country colors on the color you pass as an argument with this style you'll see that your charts match the screenshots here bit more closely while you're experimenting to find styling directives that work well for different visualizationsit can help to use aliases in your import statementsfrom pygal style import lightcolorizedstyle as lcsrotatestyle as rs this will result in shorter style definitionswm_style rs('# 'base_style=lcsusing just this small set of styling directives gives you significant control over the appearance of charts and maps in pygal