More hover label style customizations
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- Dominant language
- JavaScript
- Stars
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- Forks
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Description
I'm working on Dash Themes and I'd like to customize the look and feel of the hover labels more. In order of importance:
1 - Customize the background and text color of the trace name. Currently the background is semi-transparent and the text color is dark, rendering the name of the trace illegible.


2 - Customize border color and width
3 - Generic CSS? For example, it'd be nice if I could experiment with box-shadow like https://bl.ocks.org/sarubenfeld/56dc691df199b4055d90e66b9d5fc0d2 in the same style as my theme's buttons:

Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
The issue names no files, tests, or entry points. Begin by locating the hover-label rendering and styling implementation in plotly.js, then compare its current behavior with the requested trace-name colors, border controls, and CSS customization. Done means the supported styling options are defined and covered by tests or reproducible examples.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100