black

#000000

#428B55

#428B55

Contrast Ratio

5.06:1

Delta E

66.77

Very Different

50:50 Mix

Color Values

Format #000000 #428B55
HEX #000000 #428B55
RGB 0, 0, 0 66, 139, 85
HSL 0.0, 0.0%, 0.0% 135.6, 35.6%, 40.2%
HSV 0.0, 0.0%, 0.0% 135.6, 52.5%, 54.5%
CMYK 0%, 0%, 0%, 100% 52.5%, 0.0%, 38.8%, 45.5%
OKLCH 0.0 0.0 0.0 0.5753 0.1107 150.1

Contrast & Accessibility

5.06:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428B55 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428B55

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428B55);
background: linear-gradient(135deg, #000000, #428B55);

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