black

#000000

#428C55

#428C55

Contrast Ratio

5.11:1

Delta E

67.4

Very Different

50:50 Mix

Color Values

Format #000000 #428C55
HEX #000000 #428C55
RGB 0, 0, 0 66, 140, 85
HSL 0.0, 0.0%, 0.0% 135.4, 35.9%, 40.4%
HSV 0.0, 0.0%, 0.0% 135.4, 52.9%, 54.9%
CMYK 0%, 0%, 0%, 100% 52.9%, 0.0%, 39.3%, 45.1%
OKLCH 0.0 0.0 0.0 0.5779 0.1122 150.0

Contrast & Accessibility

5.11:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428C55 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428C55

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428C55);
background: linear-gradient(135deg, #000000, #428C55);

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