black

#000000

#397C4E

#397C4E

Contrast Ratio

4.17:1

Delta E

59.9

Very Different

50:50 Mix

Color Values

Format #000000 #397C4E
HEX #000000 #397C4E
RGB 0, 0, 0 57, 124, 78
HSL 0.0, 0.0%, 0.0% 138.8, 37.0%, 35.5%
HSV 0.0, 0.0%, 0.0% 138.8, 54.0%, 48.6%
CMYK 0%, 0%, 0%, 100% 54.0%, 0.0%, 37.1%, 51.4%
OKLCH 0.0 0.0 0.0 0.5298 0.0997 151.8

Contrast & Accessibility

4.17:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397C4E → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397C4E

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397C4E);
background: linear-gradient(135deg, #000000, #397C4E);

Explore Each Color

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