black
#000000
#21F821
#21F821
Color Values
| Format | #000000 | #21F821 |
|---|---|---|
| HEX | #000000 | #21F821 |
| RGB | 0, 0, 0 | 33, 248, 33 |
| HSL | 0.0, 0.0%, 0.0% | 120.0, 93.9%, 55.1% |
| HSV | 0.0, 0.0%, 0.0% | 120.0, 86.7%, 97.3% |
| CMYK | 0%, 0%, 0%, 100% | 86.7%, 0.0%, 86.7%, 2.7% |
| OKLCH | 0.0 0.0 0.0 | 0.8508 0.2808 142.6 |
Contrast & Accessibility
14.51:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21F821 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21F821
Color Difference (Delta E)
142.05
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21F821);
background: linear-gradient(135deg, #000000, #21F821);