Hi, sir I found that there is no message access for me to change the line series color in UI_CHART? Do you have any idea how to change the line color by message dynamically ? Here is my message payload and UI_CHART setting. [image] [image]

As @jbudd said, the colours are set by the order of data originally received. If you trigger a flow on startup that sends null values to each of the lines in turn then that will set the colours. Unfortunately there is a bug, that after the chart becomes fully populated, if the page is refreshed in…

jbudd 4 August 2025 11:13 2

Does this help? (I searched "Line chart colour change"
https://discourse.nodered.org/t/old-topic-now-new-chart-line-colorization/64315/6

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How to change the UI_chart series line color in dashboard 2 by message payload?

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