black

#000000

#637861

#637861

Contrast Ratio

4.39:1

Delta E

50.81

Very Different

50:50 Mix

Color Values

Format #000000 #637861
HEX #000000 #637861
RGB 0, 0, 0 99, 120, 97
HSL 0.0, 0.0%, 0.0% 114.8, 10.6%, 42.5%
HSV 0.0, 0.0%, 0.0% 114.8, 19.2%, 47.1%
CMYK 0%, 0%, 0%, 100% 17.5%, 0.0%, 19.2%, 52.9%
OKLCH 0.0 0.0 0.0 0.5489 0.0429 142.7

Contrast & Accessibility

4.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637861 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #637861

Color Difference (Delta E)

50.81 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637861);
background: linear-gradient(135deg, #000000, #637861);

Explore Each Color

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