black
#000000
#428657
#428657
Color Values
| Format | #000000 | #428657 |
|---|---|---|
| HEX | #000000 | #428657 |
| RGB | 0, 0, 0 | 66, 134, 87 |
| HSL | 0.0, 0.0%, 0.0% | 138.5, 34.0%, 39.2% |
| HSV | 0.0, 0.0%, 0.0% | 138.5, 50.7%, 52.5% |
| CMYK | 0%, 0%, 0%, 100% | 50.7%, 0.0%, 35.1%, 47.5% |
| OKLCH | 0.0 0.0 0.0 | 0.5625 0.1009 151.9 |
Contrast & Accessibility
4.78:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #428657 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #428657
Color Difference (Delta E)
63.11
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #428657);
background: linear-gradient(135deg, #000000, #428657);