black

#000000

#155B50

#155B50

Contrast Ratio

2.64:1

Delta E

42.0

Very Different

50:50 Mix

Color Values

Format #000000 #155B50
HEX #000000 #155B50
RGB 0, 0, 0 21, 91, 80
HSL 0.0, 0.0%, 0.0% 170.6, 62.5%, 22.0%
HSV 0.0, 0.0%, 0.0% 170.6, 76.9%, 35.7%
CMYK 0%, 0%, 0%, 100% 76.9%, 0.0%, 12.1%, 64.3%
OKLCH 0.0 0.0 0.0 0.4261 0.0695 179.9

Contrast & Accessibility

2.64:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #155B50 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #155B50

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #155B50);
background: linear-gradient(135deg, #000000, #155B50);

Explore Each Color

Related Comparisons