Tactile Industrial / Braun

# Tactile Industrial / Braun — style sheet

> Physical hardware romance: knurled rotary dials, matte anodized aluminum, segment LCD counters, chamfered sub-chassis, and Dieter Rams / Teenage Engineering functionalism.

Derived from 3 curated reference(s) in the `tactile-industrial` family. Counts are how many references use a value, so a value used once is a lead, not a rule. Paste this into DESIGN.md as a starting system, then verify against the images.

## Type

- Akzidenz Grotesk — 1/3
- Arial — 1/3
- IBM Plex Mono — 1/3
- Inter — 1/3
- Neue Haas Grotesk — 1/3
- Space Mono — 1/3

## Color

- `#171615` dark neutral — 3/3
- `#f4f1ea` light neutral — 3/3
- `#242321` dark neutral — 1/3
- `#f35b25` chromatic — 1/3
- `#d5d1c7` mid neutral — 1/3
- `#f5d089` chromatic — 1/3
- `#00ff88` chromatic — 1/3

Readable pairs from these swatches, most-used first (WCAG AA body text needs 4.5:1):
- `#171615` / `#f4f1ea` — 16:1
- `#242321` / `#f4f1ea` — 13.9:1
- `#171615` / `#00ff88` — 13.5:1
- `#171615` / `#f5d089` — 12.3:1

## Moves

### texture/material

- Matte anodized dark aluminum surface ground (#171615) paired with a high-voltage safety orange indicator (#f35b25). — 31-teenage-engineering-op-xy
- High-contrast OLED black theme where inactive controls drop to 12% opacity. — 33-analogue-pocket-os

### grid/layout

- Strict 3-column asymmetric layout where the product rests on an invisible baseline shelf. — 32-braun-audio-le-series
- 2px inset border lines simulating physical injection-molded plastic seams between navigation groups. — 33-analogue-pocket-os

### component pattern

- Physical step-sequencer interface translated directly to web canvas: 16 tactile rubber buttons with recessed LED wells. — 31-teenage-engineering-op-xy

### typography

- Heavy lowercase headers with tight negative tracking, echoing Dieter Rams' 1960s typographic standard. — 32-braun-audio-le-series

## References

- 31-teenage-engineering-op-xy — Teenage Engineering OP-XY (exemplar)
- 32-braun-audio-le-series — Braun Audio LE Series
- 33-analogue-pocket-os — Analogue Pocket OS