black
#000000
#637F63
#637F63
Color Values
| Format | #000000 | #637F63 |
|---|---|---|
| HEX | #000000 | #637F63 |
| RGB | 0, 0, 0 | 99, 127, 99 |
| HSL | 0.0, 0.0%, 0.0% | 120.0, 12.4%, 44.3% |
| HSV | 0.0, 0.0%, 0.0% | 120.0, 22.0%, 49.8% |
| CMYK | 0%, 0%, 0%, 100% | 22.0%, 0.0%, 22.0%, 50.2% |
| OKLCH | 0.0 0.0 0.0 | 0.5664 0.0534 144.8 |
Contrast & Accessibility
4.75:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #637F63 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #637F63
Color Difference (Delta E)
54.19
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #637F63);
background: linear-gradient(135deg, #000000, #637F63);