black
#000000
#257E4B
#257E4B
Color Values
| Format | #000000 | #257E4B |
|---|---|---|
| HEX | #000000 | #257E4B |
| RGB | 0, 0, 0 | 37, 126, 75 |
| HSL | 0.0, 0.0%, 0.0% | 145.6, 54.6%, 32.0% |
| HSV | 0.0, 0.0%, 0.0% | 145.6, 70.6%, 49.4% |
| CMYK | 0%, 0%, 0%, 100% | 70.6%, 0.0%, 40.5%, 50.6% |
| OKLCH | 0.0 0.0 0.0 | 0.5277 0.1156 153.9 |
Contrast & Accessibility
4.16:1
AA Fail
AA Large Pass
AAA Fail
AAA Large Fail
Text Readability
The quick brown fox jumps over the lazy dog
Text: #257E4B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #257E4B
Color Difference (Delta E)
63.86
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #257E4B);
background: linear-gradient(135deg, #000000, #257E4B);