black

#000000

#428C72

#428C72

Contrast Ratio

5.23:1

Delta E

61.2

Very Different

50:50 Mix

Color Values

Format #000000 #428C72
HEX #000000 #428C72
RGB 0, 0, 0 66, 140, 114
HSL 0.0, 0.0%, 0.0% 158.9, 35.9%, 40.4%
HSV 0.0, 0.0%, 0.0% 158.9, 52.9%, 54.9%
CMYK 0%, 0%, 0%, 100% 52.9%, 0.0%, 18.6%, 45.1%
OKLCH 0.0 0.0 0.0 0.585 0.085 167.9

Contrast & Accessibility

5.23:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428C72 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428C72

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428C72);
background: linear-gradient(135deg, #000000, #428C72);

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