Cultural Resonance
A traditional Chinese color with historical roots. Modern nomenclature.
Five Elements
Technical Specs
| HEX | #393733 |
|---|---|
| RGB | 57, 55, 51 |
| HSL | 40°, 6%, 21% |
| CMYK | 64%, 57%, 60%, 67% |
Visual Analysis
A deep and dark amber tone (H:40° S:6% L:21%) that is nearly achromatic, muted. It carries a texture reminiscent of polished stone, offering a distinctive presence in any palette.
Color Harmonies
Design Applications
Brand & Identity
"河豚灰" is particularly suited for organic food, wellness, and artisanal crafts. Its specific tonal character (H:40° S:6%) creates a distinctive brand identity that stands apart from generic color choices.
Interior & Spatial
In spatial design, this specific shade excels in sunlit kitchens and creative studios. Its dark depth works best as a grounding element — headers, footers, or bold text on light backgrounds.
Digital & UI
In digital interfaces, consider using "河豚灰" for highlight labels, progress indicators, and warm gradients. Its dark depth works best as a grounding element — headers, footers, or bold text on light backgrounds.
Accessibility — WCAG Contrast
WCAG 2.1 requires ≥4.5:1 for AA and ≥7:1 for AAA. Best text color: white (#FFF).
Color Psychology
Color Temperature
Warm-toned (hue 40°), triggers energy and action. Warm colors advance visually, making elements feel prominent.
Visual Weight
At 21% lightness, carries substantial visual weight — adds perceived importance and gravity.
Saturation Impact
Low saturation (6%) reduces cognitive load — associated with professionalism in design research.