black
#000000
#666663
#666663
Color Values
| Format | #000000 | #666663 |
|---|---|---|
| HEX | #000000 | #666663 |
| RGB | 0, 0, 0 | 102, 102, 99 |
| HSL | 0.0, 0.0%, 0.0% | 60.0, 1.5%, 39.4% |
| HSV | 0.0, 0.0%, 0.0% | 60.0, 2.9%, 40.0% |
| CMYK | 0%, 0%, 0%, 100% | 0.0%, 0.0%, 2.9%, 60.0% |
| OKLCH | 0.0 0.0 0.0 | 0.5093 0.0047 106.6 |
Contrast & Accessibility
3.65:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #666663 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #666663
Color Difference (Delta E)
43.15
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #666663);
background: linear-gradient(135deg, #000000, #666663);