black

#000000

#663C2D

#663C2D

Contrast Ratio

2.25:1

Delta E

38.38

Very Different

50:50 Mix

Color Values

Format #000000 #663C2D
HEX #000000 #663C2D
RGB 0, 0, 0 102, 60, 45
HSL 0.0, 0.0%, 0.0% 15.8, 38.8%, 28.8%
HSV 0.0, 0.0%, 0.0% 15.8, 55.9%, 40.0%
CMYK 0%, 0%, 0%, 100% 0.0%, 41.2%, 55.9%, 60.0%
OKLCH 0.0 0.0 0.0 0.4031 0.0644 40.3

Contrast & Accessibility

2.25:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #663C2D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #663C2D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #663C2D);
background: linear-gradient(135deg, #000000, #663C2D);

Explore Each Color

Related Comparisons