black
#000000
#288C7B
#288C7B
Color Values
| Format | #000000 | #288C7B |
|---|---|---|
| HEX | #000000 | #288C7B |
| RGB | 0, 0, 0 | 40, 140, 123 |
| HSL | 0.0, 0.0%, 0.0% | 169.8, 55.6%, 35.3% |
| HSV | 0.0, 0.0%, 0.0% | 169.8, 71.4%, 54.9% |
| CMYK | 0%, 0%, 0%, 100% | 71.4%, 0.0%, 12.1%, 45.1% |
| OKLCH | 0.0 0.0 0.0 | 0.5792 0.0937 178.9 |
Contrast & Accessibility
5.13:1
AA Pass
AA Large Pass
AAA Fail
AAA Large Pass
Text Readability
The quick brown fox jumps over the lazy dog
Text: #288C7B → Background: #000000
The quick brown fox jumps over the lazy dog
Text: #000000 → Background: #288C7B
Color Difference (Delta E)
61.79
Very Different
0 — Identical
5 — Similar
25 — Noticeable
100 — Very Different
Gradient
Color Mixing
CSS Gradient Code
background: linear-gradient(to right, #000000, #288C7B);
background: linear-gradient(135deg, #000000, #288C7B);