black
#000000
#257B50
#257B50
Color Values
| Format | #000000 | #257B50 |
|---|---|---|
| HEX | #000000 | #257B50 |
| RGB | 0, 0, 0 | 37, 123, 80 |
| HSL | 0.0, 0.0%, 0.0% | 150.0, 53.8%, 31.4% |
| HSV | 0.0, 0.0%, 0.0% | 150.0, 69.9%, 48.2% |
| CMYK | 0%, 0%, 0%, 100% | 69.9%, 0.0%, 35.0%, 51.8% |
| OKLCH | 0.0 0.0 0.0 | 0.5205 0.1063 157.3 |
Contrast & Accessibility
4.03:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257B50 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257B50
Color Difference (Delta E)
60.58
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257B50);
background: linear-gradient(135deg, #000000, #257B50);