black

#000000

#428B63

#428B63

Contrast Ratio

5.1:1

Delta E

63.42

Very Different

50:50 Mix

Color Values

Format #000000 #428B63
HEX #000000 #428B63
RGB 0, 0, 0 66, 139, 99
HSL 0.0, 0.0%, 0.0% 147.1, 35.6%, 40.2%
HSV 0.0, 0.0%, 0.0% 147.1, 52.5%, 54.5%
CMYK 0%, 0%, 0%, 100% 52.5%, 0.0%, 28.8%, 45.5%
OKLCH 0.0 0.0 0.0 0.5784 0.0966 157.4

Contrast & Accessibility

5.1:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428B63 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #428B63

Color Difference (Delta E)

63.42 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, #428B63);
background: linear-gradient(135deg, #000000, #428B63);

Explore Each Color

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