# How to highlight a trace in plotly linechart

**URL:** <https://community.plotly.com/t/how-to-highlight-a-trace-in-plotly-linechart/8437>\
**Category:** plotly.js\
**Created:** [February 19, 2018, 10:35am UTC](https://community.plotly.com/t/how-to-highlight-a-trace-in-plotly-linechart/8437 "2018-02-19T10:35:32Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![philschka](https://avatars.discourse-cdn.com/v4/letter/p/a9adbd/32.png) [@philschka](https://community.plotly.com/u/philschka)\
**Post date:** [February 19, 2018, 10:35am UTC](https://community.plotly.com/t/how-to-highlight-a-trace-in-plotly-linechart/8437/1 "2018-02-19T10:35:32Z")

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Hello,

I would like to highlight a trace on hover an external button. Is there any build-in solution for that?  
Or should I use something like plot it again with an other color or do something in svg on my own?

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**Author:** ![etienne](https://sea2.discourse-cdn.com/flex024/user_avatar/community.plotly.com/etienne/32/17_2.png) [@etienne](https://community.plotly.com/u/etienne)\
**Post date:** [February 19, 2018, 4:54pm UTC](https://community.plotly.com/t/how-to-highlight-a-trace-in-plotly-linechart/8437/2 "2018-02-19T16:54:41Z")

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Here’s one way to do it: [https://codepen.io/etpinard/pen/RQQqzq?editors=0010](https://codepen.io/etpinard/pen/RQQqzq?editors=0010)

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**Author:** ![sislvacl](https://avatars.discourse-cdn.com/v4/letter/s/ecccb3/32.png) [@sislvacl](https://community.plotly.com/u/sislvacl)\
**Post date:** [April 3, 2020, 3:49pm UTC](https://community.plotly.com/t/how-to-highlight-a-trace-in-plotly-linechart/8437/3 "2020-04-03T15:49:16Z")

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Is there a possibility to do the same thing with plotly python library?