[css-animations][css-transitions][web-animations] Introduce a host-syntax for color interpolation
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Description
css-color-4 introduces the concept of a host-syntax for color interpolation. For legacy colors, interpolation happens in sRGB for back compat reasons. When the relevant specs do not specify their own host-syntax for interpolation spaces, it falls back to OKLab for non-legacy colors.
We probably want to introduce a host-syntax for transitions and animations for explicitly specifying an interpolation space, and possibly also specify if the default interpolation space depends on which color space the endpoints or keyframe values are specified in.
See also issue #7567.
@mysteryDate
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 reading the CSS Color 4 host-syntax section and the related discussion in issue #7567. Review the relevant CSS transitions, animations, and Web Animations specifications to determine where interpolation behavior is defined. Done means the interpolation-space syntax and default behavior are agreed and specified consistently.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- css
- Domain
- frontend, web-dev
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100