black
#000000
#666C6D
#666C6D
Color Values
| Format | #000000 | #666C6D |
|---|---|---|
| HEX | #000000 | #666C6D |
| RGB | 0, 0, 0 | 102, 108, 109 |
| HSL | 0.0, 0.0%, 0.0% | 188.6, 3.3%, 41.4% |
| HSV | 0.0, 0.0%, 0.0% | 188.6, 6.4%, 42.7% |
| CMYK | 0%, 0%, 0%, 100% | 6.4%, 0.9%, 0.0%, 57.3% |
| OKLCH | 0.0 0.0 0.0 | 0.5264 0.0076 208.8 |
Contrast & Accessibility
3.93:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666C6D → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666C6D
Color Difference (Delta E)
45.23
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666C6D);
background: linear-gradient(135deg, #000000, #666C6D);