# Palette: duotone

Two-color limited, poster-like. The constrained palette — only two colors plus a background, used for cultural / cover hero / cinematic poster decks where chromatic discipline carries the page.

> This file describes **color behavior**, not HEX values.

## 1. Compatible renderings

| Rendering | Notes |
|---|---|
| ✓✓ screen-print | Direct alignment — duotone is screen-print's signature |
| ✓✓ flat | Bold two-color flat |
| ✓ vector-illustration | Two-color vector |
| ✓ editorial | Two-color editorial spread |
| ✓ blueprint | Two-color schematic |
| ✓ pixel-art | Limited-color retro |
| ✓ chalkboard | Pastel two-color chalk |
| ✗ corporate-photo | Photography can't be duotone (unless duotone-graded) |
| ✗ sketch-notes / fantasy-animation / nature / watercolor | Wrong temperament |
| ✗ digital-dashboard / 3d-isometric | Need more chromatic depth |

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## 2. Fewshot prompt snippets

**Snippet A — applied to a screen-print cover poster**

> [...rendering paragraph...] Color behavior is duotone: deep navy `#1E3A5F` carries the lower 55% as a confident block including the silhouette of a stylized mountain. Burnt orange `#C2410C` carries the upper 45% as the sky, with one small near-white circular sun (under 3%). Only these two colors appear in the composition — no third hue. Halftone dot texture at the horizon between the two color zones. Slight color misregistration adds silkscreen authenticity. [...container guidance...]