black

#000000

#636363

#636363

Contrast Ratio

3.5:1

Delta E

41.96

Very Different

50:50 Mix

Color Values

Format #000000 #636363
HEX #000000 #636363
RGB 0, 0, 0 99, 99, 99
HSL 0.0, 0.0%, 0.0% 0.0, 0.0%, 38.8%
HSV 0.0, 0.0%, 0.0% 0.0, 0.0%, 38.8%
CMYK 0%, 0%, 0%, 100% 0.0%, 0.0%, 0.0%, 61.2%
OKLCH 0.0 0.0 0.0 0.4997 0.0 89.9

Contrast & Accessibility

3.5:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636363 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636363

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636363);
background: linear-gradient(135deg, #000000, #636363);

Explore Each Color

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