black
#000000
#556566
#556566
Color Values
| Format | #000000 | #556566 |
|---|---|---|
| HEX | #000000 | #556566 |
| RGB | 0, 0, 0 | 85, 101, 102 |
| HSL | 0.0, 0.0%, 0.0% | 183.5, 9.1%, 36.7% |
| HSV | 0.0, 0.0%, 0.0% | 183.5, 16.7%, 40.0% |
| CMYK | 0%, 0%, 0%, 100% | 16.7%, 1.0%, 0.0%, 60.0% |
| OKLCH | 0.0 0.0 0.0 | 0.4937 0.0195 201.2 |
Contrast & Accessibility
3.44:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #556566 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #556566
Color Difference (Delta E)
42.01
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #556566);
background: linear-gradient(135deg, #000000, #556566);