black
#000000
#21B666
#21B666
Color Values
| Format | #000000 | #21B666 |
|---|---|---|
| HEX | #000000 | #21B666 |
| RGB | 0, 0, 0 | 33, 182, 102 |
| HSL | 0.0, 0.0%, 0.0% | 147.8, 69.3%, 42.2% |
| HSV | 0.0, 0.0%, 0.0% | 147.8, 81.9%, 71.4% |
| CMYK | 0%, 0%, 0%, 100% | 81.9%, 0.0%, 44.0%, 28.6% |
| OKLCH | 0.0 0.0 0.0 | 0.6842 0.1665 153.2 |
Contrast & Accessibility
7.95:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21B666 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21B666
Color Difference (Delta E)
90.98
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21B666);
background: linear-gradient(135deg, #000000, #21B666);