black
#000000
#428C7B
#428C7B
Color Values
| Format | #000000 | #428C7B |
|---|---|---|
| HEX | #000000 | #428C7B |
| RGB | 0, 0, 0 | 66, 140, 123 |
| HSL | 0.0, 0.0%, 0.0% | 166.2, 35.9%, 40.4% |
| HSV | 0.0, 0.0%, 0.0% | 166.2, 52.9%, 54.9% |
| CMYK | 0%, 0%, 0%, 100% | 52.9%, 0.0%, 12.1%, 45.1% |
| OKLCH | 0.0 0.0 0.0 | 0.5877 0.0789 176.3 |
Contrast & Accessibility
5.27:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #428C7B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #428C7B
Color Difference (Delta E)
59.99
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #428C7B);
background: linear-gradient(135deg, #000000, #428C7B);