black
#000000
#555B51
#555B51
Color Values
| Format | #000000 | #555B51 |
|---|---|---|
| HEX | #000000 | #555B51 |
| RGB | 0, 0, 0 | 85, 91, 81 |
| HSL | 0.0, 0.0%, 0.0% | 96.0, 5.8%, 33.7% |
| HSV | 0.0, 0.0%, 0.0% | 96.0, 11.0%, 35.7% |
| CMYK | 0%, 0%, 0%, 100% | 6.6%, 0.0%, 11.0%, 64.3% |
| OKLCH | 0.0 0.0 0.0 | 0.4626 0.0176 132.6 |
Contrast & Accessibility
3.0:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #555B51 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #555B51
Color Difference (Delta E)
38.44
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #555B51);
background: linear-gradient(135deg, #000000, #555B51);