black

#000000

#278B57

#278B57

Contrast Ratio

4.92:1

Delta E

68.64

Very Different

50:50 Mix

Color Values

Format #000000 #278B57
HEX #000000 #278B57
RGB 0, 0, 0 39, 139, 87
HSL 0.0, 0.0%, 0.0% 148.8, 56.2%, 34.9%
HSV 0.0, 0.0%, 0.0% 148.8, 71.9%, 54.5%
CMYK 0%, 0%, 0%, 100% 71.9%, 0.0%, 37.4%, 45.5%
OKLCH 0.0 0.0 0.0 0.5666 0.1215 155.9

Contrast & Accessibility

4.92:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #278B57 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #278B57

Color Difference (Delta E)

68.64 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, #278B57);
background: linear-gradient(135deg, #000000, #278B57);

Explore Each Color

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