black

#000000

#556361

#556361

Contrast Ratio

3.34:1

Delta E

41.17

Very Different

50:50 Mix

Color Values

Format #000000 #556361
HEX #000000 #556361
RGB 0, 0, 0 85, 99, 97
HSL 0.0, 0.0%, 0.0% 171.4, 7.6%, 36.1%
HSV 0.0, 0.0%, 0.0% 171.4, 14.1%, 38.8%
CMYK 0%, 0%, 0%, 100% 14.1%, 0.0%, 2.0%, 61.2%
OKLCH 0.0 0.0 0.0 0.4872 0.0175 186.2

Contrast & Accessibility

3.34:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #556361 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556361

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #556361);
background: linear-gradient(135deg, #000000, #556361);

Explore Each Color

Related Comparisons