black
#000000
#556B6D
#556B6D
Color Values
| Format | #000000 | #556B6D |
|---|---|---|
| HEX | #000000 | #556B6D |
| RGB | 0, 0, 0 | 85, 107, 109 |
| HSL | 0.0, 0.0%, 0.0% | 185.0, 12.4%, 38.0% |
| HSV | 0.0, 0.0%, 0.0% | 185.0, 22.0%, 42.7% |
| CMYK | 0%, 0%, 0%, 100% | 22.0%, 1.8%, 0.0%, 57.3% |
| OKLCH | 0.0 0.0 0.0 | 0.5107 0.0263 203.2 |
Contrast & Accessibility
3.71:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #556B6D → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #556B6D
Color Difference (Delta E)
44.41
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #556B6D);
background: linear-gradient(135deg, #000000, #556B6D);