black
#000000
#21A7B0
#21A7B0
Color Values
| Format | #000000 | #21A7B0 |
|---|---|---|
| HEX | #000000 | #21A7B0 |
| RGB | 0, 0, 0 | 33, 167, 176 |
| HSL | 0.0, 0.0%, 0.0% | 183.8, 68.4%, 41.0% |
| HSV | 0.0, 0.0%, 0.0% | 183.8, 81.2%, 69.0% |
| CMYK | 0%, 0%, 0%, 100% | 81.2%, 5.1%, 0.0%, 31.0% |
| OKLCH | 0.0 0.0 0.0 | 0.6658 0.107 202.1 |
Contrast & Accessibility
7.22:1
AA Pass
AA Large Pass
AAA Pass
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #21A7B0 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #21A7B0
Color Difference (Delta E)
71.09
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #21A7B0);
background: linear-gradient(135deg, #000000, #21A7B0);