black

#000000

#556166

#556166

Contrast Ratio

3.29:1

Delta E

40.69

Very Different

50:50 Mix

Color Values

Format #000000 #556166
HEX #000000 #556166
RGB 0, 0, 0 85, 97, 102
HSL 0.0, 0.0%, 0.0% 197.6, 9.1%, 36.7%
HSV 0.0, 0.0%, 0.0% 197.6, 16.7%, 40.0%
CMYK 0%, 0%, 0%, 100% 16.7%, 4.9%, 0.0%, 60.0%
OKLCH 0.0 0.0 0.0 0.4841 0.0169 224.8

Contrast & Accessibility

3.29:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #556166 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #556166

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #556166);
background: linear-gradient(135deg, #000000, #556166);

Explore Each Color

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