How can the color of the reference line be changed in the Parallel Coordinates plot

📊 Plotly Python
1

Dear all,

When specifying a range in the Parallel Coordinates plot, unselected lines are dimmed.
Is there a way to change the color of them? Because they are still too dark by default.

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image776×435 143 KB

The original one is also pasted below for reference:

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image792×443 211 KB

Thanks in advance for your help!