black
#000000
#81E821
#81E821
Color Values
| Format | #000000 | #81E821 |
|---|---|---|
| HEX | #000000 | #81E821 |
| RGB | 0, 0, 0 | 129, 232, 33 |
| HSL | 0.0, 0.0%, 0.0% | 91.1, 81.2%, 52.0% |
| HSV | 0.0, 0.0%, 0.0% | 91.1, 85.8%, 91.0% |
| CMYK | 0%, 0%, 0%, 100% | 44.4%, 0.0%, 85.8%, 9.0% |
| OKLCH | 0.0 0.0 0.0 | 0.8355 0.234 134.7 |
Contrast & Accessibility
13.5:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #81E821 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #81E821
Color Difference (Delta E)
127.25
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #81E821);
background: linear-gradient(135deg, #000000, #81E821);