black
#000000
#21B357
#21B357
Color Values
| Format | #000000 | #21B357 |
|---|---|---|
| HEX | #000000 | #21B357 |
| RGB | 0, 0, 0 | 33, 179, 87 |
| HSL | 0.0, 0.0%, 0.0% | 142.2, 68.9%, 41.6% |
| HSV | 0.0, 0.0%, 0.0% | 142.2, 81.6%, 70.2% |
| CMYK | 0%, 0%, 0%, 100% | 81.6%, 0.0%, 51.4%, 29.8% |
| OKLCH | 0.0 0.0 0.0 | 0.6738 0.1762 149.9 |
Contrast & Accessibility
7.65:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21B357 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21B357
Color Difference (Delta E)
93.29
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21B357);
background: linear-gradient(135deg, #000000, #21B357);