black
#000000
#278A40
#278A40
Color Values
| Format | #000000 | #278A40 |
|---|---|---|
| HEX | #000000 | #278A40 |
| RGB | 0, 0, 0 | 39, 138, 64 |
| HSL | 0.0, 0.0%, 0.0% | 135.2, 55.9%, 34.7% |
| HSV | 0.0, 0.0%, 0.0% | 135.2, 71.7%, 54.1% |
| CMYK | 0%, 0%, 0%, 100% | 71.7%, 0.0%, 53.6%, 45.9% |
| OKLCH | 0.0 0.0 0.0 | 0.5596 0.1424 147.9 |
Contrast & Accessibility
4.8:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #278A40 → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #278A40
Color Difference (Delta E)
74.54
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #278A40);
background: linear-gradient(135deg, #000000, #278A40);