black
#000000
#51797C
#51797C
Color Values
| Format | #000000 | #51797C |
|---|---|---|
| HEX | #000000 | #51797C |
| RGB | 0, 0, 0 | 81, 121, 124 |
| HSL | 0.0, 0.0%, 0.0% | 184.2, 21.0%, 40.2% |
| HSV | 0.0, 0.0%, 0.0% | 184.2, 34.7%, 48.6% |
| CMYK | 0%, 0%, 0%, 100% | 34.7%, 2.4%, 0.0%, 51.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5477 0.0449 201.9 |
Contrast & Accessibility
4.38:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #51797C → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #51797C
Color Difference (Delta E)
50.23
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #51797C);
background: linear-gradient(135deg, #000000, #51797C);