black
#000000
#637A4B
#637A4B
Color Values
| Format | #000000 | #637A4B |
|---|---|---|
| HEX | #000000 | #637A4B |
| RGB | 0, 0, 0 | 99, 122, 75 |
| HSL | 0.0, 0.0%, 0.0% | 89.4, 23.9%, 38.6% |
| HSV | 0.0, 0.0%, 0.0% | 89.4, 38.5%, 47.8% |
| CMYK | 0%, 0%, 0%, 100% | 18.9%, 0.0%, 38.5%, 52.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5487 0.0741 129.8 |
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: #637A4B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637A4B
Color Difference (Delta E)
56.31
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637A4B);
background: linear-gradient(135deg, #000000, #637A4B);