Choose an image with colors you like. You can use any image on your computer.
To browse your photos, click
The new chart style is added to the chart styles at the top of the sidebar. The new style doesn’t replace the style you Control-clicked.
To apply the new style to the selected chart, click the style in the sidebar.
You can modify the look of a chart—by changing its fonts, colors, and so on—then update that chart’s style to incorporate the changes. Any other charts using that style are also updated.
Click a chart that uses the style you want to update, then modify its appearance so it looks the way you want.
Click the chart you just modified (if you deselected it).
In the Format Change a chart’s type in Pages on Mac