black

#000000

#397F4B

#397F4B

Contrast Ratio

4.31:1

Delta E

62.65

Very Different

50:50 Mix

Color Values

Format #000000 #397F4B
HEX #000000 #397F4B
RGB 0, 0, 0 57, 127, 75
HSL 0.0, 0.0%, 0.0% 135.4, 38.0%, 36.1%
HSV 0.0, 0.0%, 0.0% 135.4, 55.1%, 49.8%
CMYK 0%, 0%, 0%, 100% 55.1%, 0.0%, 40.9%, 50.2%
OKLCH 0.0 0.0 0.0 0.5373 0.1075 149.8

Contrast & Accessibility

4.31:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397F4B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397F4B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397F4B);
background: linear-gradient(135deg, #000000, #397F4B);

Explore Each Color

Related Comparisons