black
#000000
#40A657
#40A657
Color Values
| Format | #000000 | #40A657 |
|---|---|---|
| HEX | #000000 | #40A657 |
| RGB | 0, 0, 0 | 64, 166, 87 |
| HSL | 0.0, 0.0%, 0.0% | 133.5, 44.3%, 45.1% |
| HSV | 0.0, 0.0%, 0.0% | 133.5, 61.4%, 65.1% |
| CMYK | 0%, 0%, 0%, 100% | 61.4%, 0.0%, 47.6%, 34.9% |
| OKLCH | 0.0 0.0 0.0 | 0.6464 0.1491 148.1 |
Contrast & Accessibility
6.81:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #40A657 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #40A657
Color Difference (Delta E)
83.27
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #40A657);
background: linear-gradient(135deg, #000000, #40A657);