black

#000000

#557F71

#557F71

Contrast Ratio

4.66:1

Delta E

53.04

Very Different

50:50 Mix

Color Values

Format #000000 #557F71
HEX #000000 #557F71
RGB 0, 0, 0 85, 127, 113
HSL 0.0, 0.0%, 0.0% 160.0, 19.8%, 41.6%
HSV 0.0, 0.0%, 0.0% 160.0, 33.1%, 49.8%
CMYK 0%, 0%, 0%, 100% 33.1%, 0.0%, 11.0%, 50.2%
OKLCH 0.0 0.0 0.0 0.5612 0.0517 171.5

Contrast & Accessibility

4.66:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #557F71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #557F71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #557F71);
background: linear-gradient(135deg, #000000, #557F71);

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