black
#000000
#637C5B
#637C5B
Color Values
| Format | #000000 | #637C5B |
|---|---|---|
| HEX | #000000 | #637C5B |
| RGB | 0, 0, 0 | 99, 124, 91 |
| HSL | 0.0, 0.0%, 0.0% | 105.5, 15.3%, 42.2% |
| HSV | 0.0, 0.0%, 0.0% | 105.5, 26.6%, 48.6% |
| CMYK | 0%, 0%, 0%, 100% | 20.2%, 0.0%, 26.6%, 51.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5571 0.0576 138.2 |
Contrast & Accessibility
4.56:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637C5B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637C5B
Color Difference (Delta E)
53.92
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637C5B);
background: linear-gradient(135deg, #000000, #637C5B);