black

#000000

#636636

#636636

Contrast Ratio

3.48:1

Delta E

50.46

Very Different

50:50 Mix

Color Values

Format #000000 #636636
HEX #000000 #636636
RGB 0, 0, 0 99, 102, 54
HSL 0.0, 0.0%, 0.0% 63.8, 30.8%, 30.6%
HSV 0.0, 0.0%, 0.0% 63.8, 47.1%, 40.0%
CMYK 0%, 0%, 0%, 100% 2.9%, 0.0%, 47.1%, 60.0%
OKLCH 0.0 0.0 0.0 0.4958 0.0689 111.8

Contrast & Accessibility

3.48:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #636636 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #636636

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #636636);
background: linear-gradient(135deg, #000000, #636636);

Explore Each Color

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