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kemal.earth
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## I have read the [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) file. YES ## What kind of change does this PR introduce? This is a first draft at introducing semantic colours to our Observability charts. This moves away from just random colours being assigned to prop after prop. They're only scoped to the Database reports right now, but if it flows nice, we can open it up to the other reports too. This also aims to tone down some of the harsher colours in our charts, such as the orange which sometimes can look like a warning metric/prop. | Before | After | |--------|--------| | <img width="839" height="336" alt="Screenshot 2026-06-10 at 09 14 56" src="https://github.com/user-attachments/assets/222747c5-973b-4165-aa53-df7b93412ad3" /> | <img width="950" height="341" alt="Screenshot 2026-09-14 at 18 14 47" src="https://github.com/user-attachments/assets/836f3ddd-4a97-4064-b8cf-3a3b435417ac" /> | cc @supabase/design for additional thoughts. <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Added semantic chart color roles with light and dark theme variants for consistent visualizations. * Standardized colors and fills across database, networking, storage, and connection charts. * Maximum-value lines now use configured chart colors when available. * Added chart palette reference and stress-test examples. * Added stacked bar charts, customizable margins, and gradient-filled line charts. * Improved multi-series bar chart focus and date-range footer alignment. * **Documentation** * Documented the chart palette, theme variants, accessibility guidance, and usage recommendations. <!-- end of auto-generated comment: release notes by coderabbit.ai --> --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Co-authored-by: Gildas Garcia <1122076+djhi@users.noreply.github.com>