black
#000000
#66C451
#66C451
Color Values
| Format | #000000 | #66C451 |
|---|---|---|
| HEX | #000000 | #66C451 |
| RGB | 0, 0, 0 | 102, 196, 81 |
| HSL | 0.0, 0.0%, 0.0% | 109.0, 49.4%, 54.3% |
| HSV | 0.0, 0.0%, 0.0% | 109.0, 58.7%, 76.9% |
| CMYK | 0%, 0%, 0%, 100% | 48.0%, 0.0%, 58.7%, 23.1% |
| OKLCH | 0.0 0.0 0.0 | 0.7375 0.1772 140.1 |
Contrast & Accessibility
9.58:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #66C451 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #66C451
Color Difference (Delta E)
99.54
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #66C451);
background: linear-gradient(135deg, #000000, #66C451);