black
#000000
#257C57
#257C57
Color Values
| Format | #000000 | #257C57 |
|---|---|---|
| HEX | #000000 | #257C57 |
| RGB | 0, 0, 0 | 37, 124, 87 |
| HSL | 0.0, 0.0%, 0.0% | 154.5, 54.0%, 31.6% |
| HSV | 0.0, 0.0%, 0.0% | 154.5, 70.2%, 48.6% |
| CMYK | 0%, 0%, 0%, 100% | 70.2%, 0.0%, 29.8%, 51.4% |
| OKLCH | 0.0 0.0 0.0 | 0.5249 0.1011 161.1 |
Contrast & Accessibility
4.1:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257C57 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257C57
Color Difference (Delta E)
59.45
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257C57);
background: linear-gradient(135deg, #000000, #257C57);