black
#000000
#666C80
#666C80
Color Values
| Format | #000000 | #666C80 |
|---|---|---|
| HEX | #000000 | #666C80 |
| RGB | 0, 0, 0 | 102, 108, 128 |
| HSL | 0.0, 0.0%, 0.0% | 226.2, 11.3%, 45.1% |
| HSV | 0.0, 0.0%, 0.0% | 226.2, 20.3%, 50.2% |
| CMYK | 0%, 0%, 0%, 100% | 20.3%, 15.6%, 0.0%, 49.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5334 0.0322 272.1 |
Contrast & Accessibility
4.02:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666C80 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666C80
Color Difference (Delta E)
47.34
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666C80);
background: linear-gradient(135deg, #000000, #666C80);