black
#000000
#21B556
#21B556
Color Values
| Format | #000000 | #21B556 |
|---|---|---|
| HEX | #000000 | #21B556 |
| RGB | 0, 0, 0 | 33, 181, 86 |
| HSL | 0.0, 0.0%, 0.0% | 141.5, 69.2%, 42.0% |
| HSV | 0.0, 0.0%, 0.0% | 141.5, 81.8%, 71.0% |
| CMYK | 0%, 0%, 0%, 100% | 81.8%, 0.0%, 52.5%, 29.0% |
| OKLCH | 0.0 0.0 0.0 | 0.679 0.1796 149.5 |
Contrast & Accessibility
7.81:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21B556 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21B556
Color Difference (Delta E)
94.73
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21B556);
background: linear-gradient(135deg, #000000, #21B556);