black

#000000

#666F64

#666F64

Contrast Ratio

4.02:1

Delta E

46.41

Very Different

50:50 Mix

Color Values

Format #000000 #666F64
HEX #000000 #666F64
RGB 0, 0, 0 102, 111, 100
HSL 0.0, 0.0%, 0.0% 109.1, 5.2%, 41.4%
HSV 0.0, 0.0%, 0.0% 109.1, 9.9%, 43.5%
CMYK 0%, 0%, 0%, 100% 8.1%, 0.0%, 9.9%, 56.5%
OKLCH 0.0 0.0 0.0 0.5306 0.0201 140.0

Contrast & Accessibility

4.02:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666F64 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #666F64

Color Difference (Delta E)

46.41 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #666F64);
background: linear-gradient(135deg, #000000, #666F64);

Explore Each Color

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