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

**URL:** <https://community.plotly.com/t/how-can-the-color-of-the-reference-line-be-changed-in-the-parallel-coordinates-plot/65358>\
**Category:** 📊 Plotly Python\
**Tags:** question\
**Created:** [June 22, 2022, 2:03pm UTC](https://community.plotly.com/t/how-can-the-color-of-the-reference-line-be-changed-in-the-parallel-coordinates-plot/65358 "2022-06-22T14:03:42Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![XINTIAN](https://avatars.discourse-cdn.com/v4/letter/x/b3f665/32.png) [@XINTIAN](https://community.plotly.com/u/XINTIAN)\
**Post date:** [June 22, 2022, 2:03pm UTC](https://community.plotly.com/t/how-can-the-color-of-the-reference-line-be-changed-in-the-parallel-coordinates-plot/65358/1 "2022-06-22T14:03:43Z")

</div>

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.

 ![image](https://us1.discourse-cdn.com/flex024/uploads/plot/original/3X/0/c/0cf1399ab28726b452d4d5aaaba60445022ade61.jpeg)

The original one is also pasted below for reference:

 ![image](https://us1.discourse-cdn.com/flex024/uploads/plot/original/3X/0/0/0099153102f45580b3c00e1ec97d4709830559e8.jpeg)

Thanks in advance for your help!