black
#000000
#21E51F
#21E51F
Color Values
| Format | #000000 | #21E51F |
|---|---|---|
| HEX | #000000 | #21E51F |
| RGB | 0, 0, 0 | 33, 229, 31 |
| HSL | 0.0, 0.0%, 0.0% | 119.4, 79.2%, 51.0% |
| HSV | 0.0, 0.0%, 0.0% | 119.4, 86.5%, 89.8% |
| CMYK | 0%, 0%, 0%, 100% | 85.6%, 0.0%, 86.5%, 10.2% |
| OKLCH | 0.0 0.0 0.0 | 0.8015 0.2635 142.6 |
Contrast & Accessibility
12.29:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21E51F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21E51F
Color Difference (Delta E)
132.89
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21E51F);
background: linear-gradient(135deg, #000000, #21E51F);