# Steel

## Visuele omschrijving
Neutral cool metal with clear planes, hard edge changes, and controlled specular cuts.

## Pixelcluster regels
Use angular clusters and plate-like blocks.
```text
DDMMHH
DDMMH.
DMM...
```

## Contrast
High contrast, but not chrome-level white jumps.

## Hue shifting
Cool blue-gray shadows, neutral mid, warm sunset highlight.

## Highlights
Thin horizontal or diagonal cuts.
```text
..HH..
.HMM..
DD....
```

## Shadow behavior
Lower-left shadows should be solid blocks, not noise.

## Outline
Dark blue-gray or purple-gray, never black.

## Rim lighting
Small cool rim on left-facing outer edge.

## Ambient lighting
Low ambient; preserve strong planes.

## AA regels
Minimal AA on outer contour only.

## Dithering regels
No dithering on small sprite steel; use clusters.

## Veel voorkomende fouten
Bad:
```text
H.D.H
.M.M.
H.D.H
```
Good:
```text
HHMM.
MMDD.
.DDD.
```

## QA checklist
- 50% scale herkenbaar: Ja, by hard planes and cool metal hue.
- Contrast supports metal read.
- No pure black outline.
- Highlights are shaped, not random.
- Dithering is absent or controlled.