black
#000000
#555F51
#555F51
Color Values
| Format | #000000 | #555F51 |
|---|---|---|
| HEX | #000000 | #555F51 |
| RGB | 0, 0, 0 | 85, 95, 81 |
| HSL | 0.0, 0.0%, 0.0% | 102.9, 8.0%, 34.5% |
| HSV | 0.0, 0.0%, 0.0% | 102.9, 14.7%, 37.3% |
| CMYK | 0%, 0%, 0%, 100% | 10.5%, 0.0%, 14.7%, 62.7% |
| OKLCH | 0.0 0.0 0.0 | 0.4724 0.0254 136.7 |
Contrast & Accessibility
3.14:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #555F51 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #555F51
Color Difference (Delta E)
40.25
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #555F51);
background: linear-gradient(135deg, #000000, #555F51);