7.4 Data visualization Primary colors The primary colors are the preferred way to represent data within a chart or graph. Red, green, and blue can be used as accent colors and are provided for scenarios where more contrast and depth is needed to highlight a specific data set . The accent colors can be used alongside of gray shades to represent multiple data points. red-700 green-600 blue-600 gray-900 gray- 800 gray-700 gray- 600 gray-500 gray- 400 gray-300 gray-200 gray-100