black
#000000
#646D66
#646D66
Color Values
| Format | #000000 | #646D66 |
|---|---|---|
| HEX | #000000 | #646D66 |
| RGB | 0, 0, 0 | 100, 109, 102 |
| HSL | 0.0, 0.0%, 0.0% | 133.3, 4.3%, 41.0% |
| HSV | 0.0, 0.0%, 0.0% | 133.3, 8.3%, 42.7% |
| CMYK | 0%, 0%, 0%, 100% | 8.3%, 0.0%, 6.4%, 57.3% |
| OKLCH | 0.0 0.0 0.0 | 0.5248 0.0154 152.3 |
Contrast & Accessibility
3.92:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #646D66 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #646D66
Color Difference (Delta E)
45.44
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #646D66);
background: linear-gradient(135deg, #000000, #646D66);