black
#000000
#637868
#637868
Color Values
| Format | #000000 | #637868 |
|---|---|---|
| HEX | #000000 | #637868 |
| RGB | 0, 0, 0 | 99, 120, 104 |
| HSL | 0.0, 0.0%, 0.0% | 134.3, 9.6%, 42.9% |
| HSV | 0.0, 0.0%, 0.0% | 134.3, 17.5%, 47.1% |
| CMYK | 0%, 0%, 0%, 100% | 17.5%, 0.0%, 13.3%, 52.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5508 0.0349 152.3 |
Contrast & Accessibility
4.42:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637868 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637868
Color Difference (Delta E)
50.03
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637868);
background: linear-gradient(135deg, #000000, #637868);