add easy way to add colour fill with gradient
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feature
P3
- Dominant language
- Python
- Stars
- 18.8k
- Forks
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- Avg merge
- 16h 26m
- Merged PRs (30d)
- 21
Description
We can set the fill colour using the fillcolor parameter which accepts colour names and rgb values. This, however, only allows single colours. Is there an easy way to make gradient colours? Below is what I'm actually trying to achieve:

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
Start by reviewing the existing fillcolor parameter and the gradient effect shown in the linked screenshot. Determine which plotting traces and rendering paths would need to support gradient colors, then define the supported inputs and behavior. Done means users can create the requested gradient fill through a documented, tested interface.
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Assessment
- Tech stack
- python
- Domain
- data-visualization
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 28/100