7.5 Data visualization Secondary colors Secondary colors can be used to supplement primary colors or for when more contrast
 is needed to adequetly represent the data . The primary colors are the preferred color system for most data visualizations. Try to use color sparingly. Too much color
 or colors with too little contrast confuses
 to reader and misrepresents the data you
 are trying to communicate. yellow-400 magenta-500 cyan-600