black

#000000

#637721

#637721

Contrast Ratio

4.19:1

Delta E

66.55

Very Different

50:50 Mix

Color Values

Format #000000 #637721
HEX #000000 #637721
RGB 0, 0, 0 99, 119, 33
HSL 0.0, 0.0%, 0.0% 74.0, 56.6%, 29.8%
HSV 0.0, 0.0%, 0.0% 74.0, 72.3%, 46.7%
CMYK 0%, 0%, 0%, 100% 16.8%, 0.0%, 72.3%, 53.3%
OKLCH 0.0 0.0 0.0 0.5355 0.1125 121.7

Contrast & Accessibility

4.19:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637721 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637721

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637721);
background: linear-gradient(135deg, #000000, #637721);

Explore Each Color

Related Comparisons