black
#000000
#666F51
#666F51
Color Values
| Format | #000000 | #666F51 |
|---|---|---|
| HEX | #000000 | #666F51 |
| RGB | 0, 0, 0 | 102, 111, 81 |
| HSL | 0.0, 0.0%, 0.0% | 78.0, 15.6%, 37.6% |
| HSV | 0.0, 0.0%, 0.0% | 78.0, 27.0%, 43.5% |
| CMYK | 0%, 0%, 0%, 100% | 8.1%, 0.0%, 27.0%, 56.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5256 0.0463 121.6 |
Contrast & Accessibility
3.96:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666F51 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666F51
Color Difference (Delta E)
48.81
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666F51);
background: linear-gradient(135deg, #000000, #666F51);