black
#000000
#21C4D2
#21C4D2
Color Values
| Format | #000000 | #21C4D2 |
|---|---|---|
| HEX | #000000 | #21C4D2 |
| RGB | 0, 0, 0 | 33, 196, 210 |
| HSL | 0.0, 0.0%, 0.0% | 184.7, 72.8%, 47.6% |
| HSV | 0.0, 0.0%, 0.0% | 184.7, 84.3%, 82.4% |
| CMYK | 0%, 0%, 0%, 100% | 84.3%, 6.7%, 0.0%, 17.6% |
| OKLCH | 0.0 0.0 0.0 | 0.7502 0.123 204.3 |
Contrast & Accessibility
9.89:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21C4D2 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21C4D2
Color Difference (Delta E)
82.05
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21C4D2);
background: linear-gradient(135deg, #000000, #21C4D2);