Palettes
Verification
Reference comparisons
On this page
Specifications
Export
Scope
Hue and grey palette colors, as used by theme("gray"), scale_color_hue(), and scale_color_grey().
References
- Reference
- R 4.6.1, scales 1.4.0: hue_pal(), grey_pal()
- Versions
- R 4.6.1, scales 1.4.0
Data
- Inputs
- Palettes of 3, 4, 5, and 8 levels.
Method
scripts/evidence/r-references.R computes the palettes with the scales package. scripts/evidence/parity.php computes them with phiz and compares the hex colors.
- Check
- Comparison with a reference implementation
- Recorded
- 2026-11-02, PHP 8.5.11, Debian GNU/Linux 13 (trixie) (aarch64), commit b9272c6
Tolerances
exact equality
Applies to: Counts, levels, piece sizes, and colors
x: package value; r: reference value.
Results
4 comparisons: 4 pass, 0 fail, 0 skipped.
| Case | Quantity | Criterion | Values | Status |
|---|---|---|---|---|
| 3 levels | hue_pal() colors | exact equality | 3 | pass |
| 5 levels | hue_pal() colors | exact equality | 5 | pass |
| 8 levels | hue_pal() colors | exact equality | 8 | pass |
| 4 levels | grey_pal() colors | exact equality | 4 | pass |
Reproduction
From the repository root
Rscript scripts/evidence/r-references.R
php scripts/evidence-parity.php- Raw record
- site/verifications/scales-palettes.json
- Full results
- site/verifications/scales-palettes.json
- Input data
- tests/fixtures/r-references.json