black

#000000

#378B23

#378B23

Contrast Ratio

4.88:1

Delta E

81.84

Very Different

50:50 Mix

Color Values

Format #000000 #378B23
HEX #000000 #378B23
RGB 0, 0, 0 55, 139, 35
HSL 0.0, 0.0%, 0.0% 108.5, 59.8%, 34.1%
HSV 0.0, 0.0%, 0.0% 108.5, 74.8%, 54.5%
CMYK 0%, 0%, 0%, 100% 60.4%, 0.0%, 74.8%, 45.5%
OKLCH 0.0 0.0 0.0 0.564 0.1604 140.2

Contrast & Accessibility

4.88:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378B23 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378B23

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378B23);
background: linear-gradient(135deg, #000000, #378B23);

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