black
#000000
#515F5F
#515F5F
Color Values
| Format | #000000 | #515F5F |
|---|---|---|
| HEX | #000000 | #515F5F |
| RGB | 0, 0, 0 | 81, 95, 95 |
| HSL | 0.0, 0.0%, 0.0% | 180.0, 8.0%, 34.5% |
| HSV | 0.0, 0.0%, 0.0% | 180.0, 14.7%, 37.3% |
| CMYK | 0%, 0%, 0%, 100% | 14.7%, 0.0%, 0.0%, 62.7% |
| OKLCH | 0.0 0.0 0.0 | 0.4736 0.0173 196.6 |
Contrast & Accessibility
3.15:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #515F5F → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #515F5F
Color Difference (Delta E)
39.58
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #515F5F);
background: linear-gradient(135deg, #000000, #515F5F);