check_contrast
shallowio.github.lazymac2x/color-palette · Verify this server
Check WCAG 2.1 contrast ratio between foreground and background colors. Returns ratio and AA/AAA pass/fail for both normal and large text.
100.0/100
1 trials · measured 8 days ago
check_contrast scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against io.github.lazymac2x/color-palette, measured 25 Aug 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote
- Credential class
- self-provisionable
- Category
- Developer infrastructure
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-08-25 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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[](https://vouch.tools/tools/10f49b3f-2e2b-4a93-aaf6-a596285d8010)