black

#000000

#666F72

#666F72

Contrast Ratio

4.08:1

Delta E

46.36

Very Different

50:50 Mix

Color Values

Format #000000 #666F72
HEX #000000 #666F72
RGB 0, 0, 0 102, 111, 114
HSL 0.0, 0.0%, 0.0% 195.0, 5.6%, 42.4%
HSV 0.0, 0.0%, 0.0% 195.0, 10.5%, 44.7%
CMYK 0%, 0%, 0%, 100% 10.5%, 2.6%, 0.0%, 55.3%
OKLCH 0.0 0.0 0.0 0.5351 0.0119 219.7

Contrast & Accessibility

4.08:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666F72 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #666F72

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #666F72);
background: linear-gradient(135deg, #000000, #666F72);

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