black

#000000

#397F4E

#397F4E

Contrast Ratio

4.32:1

Delta E

61.82

Very Different

50:50 Mix

Color Values

Format #000000 #397F4E
HEX #000000 #397F4E
RGB 0, 0, 0 57, 127, 78
HSL 0.0, 0.0%, 0.0% 138.0, 38.0%, 36.1%
HSV 0.0, 0.0%, 0.0% 138.0, 55.1%, 49.8%
CMYK 0%, 0%, 0%, 100% 55.1%, 0.0%, 38.6%, 50.2%
OKLCH 0.0 0.0 0.0 0.5379 0.1044 151.2

Contrast & Accessibility

4.32:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397F4E → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397F4E

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397F4E);
background: linear-gradient(135deg, #000000, #397F4E);

Explore Each Color

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