black
#000000
#636C53
#636C53
Color Values
| Format | #000000 | #636C53 |
|---|---|---|
| HEX | #000000 | #636C53 |
| RGB | 0, 0, 0 | 99, 108, 83 |
| HSL | 0.0, 0.0%, 0.0% | 81.6, 13.1%, 37.5% |
| HSV | 0.0, 0.0%, 0.0% | 81.6, 23.1%, 42.4% |
| CMYK | 0%, 0%, 0%, 100% | 8.3%, 0.0%, 23.1%, 57.6% |
| OKLCH | 0.0 0.0 0.0 | 0.5163 0.0395 123.9 |
Contrast & Accessibility
3.8:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #636C53 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #636C53
Color Difference (Delta E)
46.82
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #636C53);
background: linear-gradient(135deg, #000000, #636C53);