black
#000000
#21A571
#21A571
Color Values
| Format | #000000 | #21A571 |
|---|---|---|
| HEX | #000000 | #21A571 |
| RGB | 0, 0, 0 | 33, 165, 113 |
| HSL | 0.0, 0.0%, 0.0% | 156.4, 66.7%, 38.8% |
| HSV | 0.0, 0.0%, 0.0% | 156.4, 80.0%, 64.7% |
| CMYK | 0%, 0%, 0%, 100% | 80.0%, 0.0%, 31.5%, 35.3% |
| OKLCH | 0.0 0.0 0.0 | 0.6413 0.1345 160.8 |
Contrast & Accessibility
6.69:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21A571 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21A571
Color Difference (Delta E)
78.21
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21A571);
background: linear-gradient(135deg, #000000, #21A571);