You can change the color of charts in SAP Lumira. Follow the steps given below.
Step 1 − To change the colors, Go to File → Preferences.
Step 2 − A new window will open. Go to charts and you can select different colors as per the requirement.
Step 3 − You can also change the font zoom and template attribute as shown in the screenshot below. Once you complete all the settings, click Done and the relevant changes will be applied to the chart in Chart builder.
To add custom charts in SAP Lumira, you can use SAP Lumira software development kit SDK. You can add custom charts in SAP Lumira using VizPacker and these charts will be added to list of available charts in canvas.