black
#000000
#21CC00
#21CC00
Color Values
| Format | #000000 | #21CC00 |
|---|---|---|
| HEX | #000000 | #21CC00 |
| RGB | 0, 0, 0 | 33, 204, 0 |
| HSL | 0.0, 0.0%, 0.0% | 110.3, 100.0%, 40.0% |
| HSV | 0.0, 0.0%, 0.0% | 110.3, 100.0%, 80.0% |
| CMYK | 0%, 0%, 0%, 100% | 83.8%, 0.0%, 100.0%, 20.0% |
| OKLCH | 0.0 0.0 0.0 | 0.7348 0.2458 141.8 |
Contrast & Accessibility
9.7:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21CC00 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21CC00
Color Difference (Delta E)
123.17
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21CC00);
background: linear-gradient(135deg, #000000, #21CC00);