black
#000000
#21D321
#21D321
Color Values
| Format | #000000 | #21D321 |
|---|---|---|
| HEX | #000000 | #21D321 |
| RGB | 0, 0, 0 | 33, 211, 33 |
| HSL | 0.0, 0.0%, 0.0% | 120.0, 73.0%, 47.8% |
| HSV | 0.0, 0.0%, 0.0% | 120.0, 84.4%, 82.7% |
| CMYK | 0%, 0%, 0%, 100% | 84.4%, 0.0%, 84.4%, 17.3% |
| OKLCH | 0.0 0.0 0.0 | 0.7542 0.2455 142.7 |
Contrast & Accessibility
10.4:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21D321 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21D321
Color Difference (Delta E)
123.5
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21D321);
background: linear-gradient(135deg, #000000, #21D321);