black
#000000
#51756F
#51756F
Color Values
| Format | #000000 | #51756F |
|---|---|---|
| HEX | #000000 | #51756F |
| RGB | 0, 0, 0 | 81, 117, 111 |
| HSL | 0.0, 0.0%, 0.0% | 170.0, 18.2%, 38.8% |
| HSV | 0.0, 0.0%, 0.0% | 170.0, 30.8%, 45.9% |
| CMYK | 0%, 0%, 0%, 100% | 30.8%, 0.0%, 5.1%, 54.1% |
| OKLCH | 0.0 0.0 0.0 | 0.5333 0.042 183.2 |
Contrast & Accessibility
4.12:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #51756F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #51756F
Color Difference (Delta E)
48.59
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #51756F);
background: linear-gradient(135deg, #000000, #51756F);