black

#000000

#155B4F

#155B4F

Contrast Ratio

2.64:1

Delta E

42.16

Very Different

50:50 Mix

Color Values

Format #000000 #155B4F
HEX #000000 #155B4F
RGB 0, 0, 0 21, 91, 79
HSL 0.0, 0.0%, 0.0% 169.7, 62.5%, 22.0%
HSV 0.0, 0.0%, 0.0% 169.7, 76.9%, 35.7%
CMYK 0%, 0%, 0%, 100% 76.9%, 0.0%, 13.2%, 64.3%
OKLCH 0.0 0.0 0.0 0.4257 0.07 178.6

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: #155B4F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #155B4F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #155B4F);
background: linear-gradient(135deg, #000000, #155B4F);

Explore Each Color

Related Comparisons