black

#000000

#636839

#636839

Contrast Ratio

3.57:1

Delta E

50.69

Very Different

50:50 Mix

Color Values

Format #000000 #636839
HEX #000000 #636839
RGB 0, 0, 0 99, 104, 57
HSL 0.0, 0.0%, 0.0% 66.4, 29.2%, 31.6%
HSV 0.0, 0.0%, 0.0% 66.4, 45.2%, 40.8%
CMYK 0%, 0%, 0%, 100% 4.8%, 0.0%, 45.2%, 59.2%
OKLCH 0.0 0.0 0.0 0.5012 0.0681 113.8

Contrast & Accessibility

3.57:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636839 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636839

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636839);
background: linear-gradient(135deg, #000000, #636839);

Explore Each Color

Related Comparisons