black

#000000

#288B48

#288B48

Contrast Ratio

4.88:1

Delta E

72.74

Very Different

50:50 Mix

Color Values

Format #000000 #288B48
HEX #000000 #288B48
RGB 0, 0, 0 40, 139, 72
HSL 0.0, 0.0%, 0.0% 139.4, 55.3%, 35.1%
HSV 0.0, 0.0%, 0.0% 139.4, 71.2%, 54.5%
CMYK 0%, 0%, 0%, 100% 71.2%, 0.0%, 48.2%, 45.5%
OKLCH 0.0 0.0 0.0 0.564 0.1358 150.0

Contrast & Accessibility

4.88:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288B48 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288B48

Color Difference (Delta E)

72.74 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288B48);
background: linear-gradient(135deg, #000000, #288B48);

Explore Each Color

Related Comparisons