black

#000000

#378C71

#378C71

Contrast Ratio

5.15:1

Delta E

62.25

Very Different

50:50 Mix

Color Values

Format #000000 #378C71
HEX #000000 #378C71
RGB 0, 0, 0 55, 140, 113
HSL 0.0, 0.0%, 0.0% 160.9, 43.6%, 38.2%
HSV 0.0, 0.0%, 0.0% 160.9, 60.7%, 54.9%
CMYK 0%, 0%, 0%, 100% 60.7%, 0.0%, 19.3%, 45.1%
OKLCH 0.0 0.0 0.0 0.5805 0.0925 169.0

Contrast & Accessibility

5.15:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378C71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378C71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378C71);
background: linear-gradient(135deg, #000000, #378C71);

Explore Each Color

Related Comparisons