black
#000000
#21B381
#21B381
Color Values
| Format | #000000 | #21B381 |
|---|---|---|
| HEX | #000000 | #21B381 |
| RGB | 0, 0, 0 | 33, 179, 129 |
| HSL | 0.0, 0.0%, 0.0% | 159.5, 68.9%, 41.6% |
| HSV | 0.0, 0.0%, 0.0% | 159.5, 81.6%, 70.2% |
| CMYK | 0%, 0%, 0%, 100% | 81.6%, 0.0%, 27.9%, 29.8% |
| OKLCH | 0.0 0.0 0.0 | 0.682 0.1386 163.7 |
Contrast & Accessibility
7.83:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21B381 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21B381
Color Difference (Delta E)
82.66
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21B381);
background: linear-gradient(135deg, #000000, #21B381);