black

#000000

#138B71

#138B71

Contrast Ratio

4.96:1

Delta E

63.86

Very Different

50:50 Mix

Color Values

Format #000000 #138B71
HEX #000000 #138B71
RGB 0, 0, 0 19, 139, 113
HSL 0.0, 0.0%, 0.0% 167.0, 75.9%, 31.0%
HSV 0.0, 0.0%, 0.0% 167.0, 86.3%, 54.5%
CMYK 0%, 0%, 0%, 100% 86.3%, 0.0%, 18.7%, 45.5%
OKLCH 0.0 0.0 0.0 0.5695 0.1055 172.8

Contrast & Accessibility

4.96:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #138B71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #138B71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #138B71);
background: linear-gradient(135deg, #000000, #138B71);

Explore Each Color

Related Comparisons