black

#000000

#155B73

#155B73

Contrast Ratio

2.78:1

Delta E

42.53

Very Different

50:50 Mix

Color Values

Format #000000 #155B73
HEX #000000 #155B73
RGB 0, 0, 0 21, 91, 115
HSL 0.0, 0.0%, 0.0% 195.3, 69.1%, 26.7%
HSV 0.0, 0.0%, 0.0% 195.3, 81.7%, 45.1%
CMYK 0%, 0%, 0%, 100% 81.7%, 20.9%, 0.0%, 54.9%
OKLCH 0.0 0.0 0.0 0.441 0.0764 226.2

Contrast & Accessibility

2.78:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #155B73 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #155B73

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #155B73);
background: linear-gradient(135deg, #000000, #155B73);

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