black
#000000
#81E321
#81E321
Color Values
| Format | #000000 | #81E321 |
|---|---|---|
| HEX | #000000 | #81E321 |
| RGB | 0, 0, 0 | 129, 227, 33 |
| HSL | 0.0, 0.0%, 0.0% | 90.3, 77.6%, 51.0% |
| HSV | 0.0, 0.0%, 0.0% | 90.3, 85.5%, 89.0% |
| CMYK | 0%, 0%, 0%, 100% | 43.2%, 0.0%, 85.5%, 11.0% |
| OKLCH | 0.0 0.0 0.0 | 0.8233 0.2285 134.2 |
Contrast & Accessibility
12.94:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #81E321 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #81E321
Color Difference (Delta E)
124.63
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #81E321);
background: linear-gradient(135deg, #000000, #81E321);