black
#000000
#666F55
#666F55
Color Values
| Format | #000000 | #666F55 |
|---|---|---|
| HEX | #000000 | #666F55 |
| RGB | 0, 0, 0 | 102, 111, 85 |
| HSL | 0.0, 0.0%, 0.0% | 80.8, 13.3%, 38.4% |
| HSV | 0.0, 0.0%, 0.0% | 80.8, 23.4%, 43.5% |
| CMYK | 0%, 0%, 0%, 100% | 8.1%, 0.0%, 23.4%, 56.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5265 0.0408 123.3 |
Contrast & Accessibility
3.97:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666F55 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666F55
Color Difference (Delta E)
48.11
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666F55);
background: linear-gradient(135deg, #000000, #666F55);