black

#000000

#66C855

#66C855

Contrast Ratio

9.96:1

Delta E

100.85

Very Different

50:50 Mix

Color Values

Format #000000 #66C855
HEX #000000 #66C855
RGB 0, 0, 0 102, 200, 85
HSL 0.0, 0.0%, 0.0% 111.1, 51.1%, 55.9%
HSV 0.0, 0.0%, 0.0% 111.1, 57.5%, 78.4%
CMYK 0%, 0%, 0%, 100% 49.0%, 0.0%, 57.5%, 21.6%
OKLCH 0.0 0.0 0.0 0.748 0.1791 140.8

Contrast & Accessibility

9.96:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66C855 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66C855

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66C855);
background: linear-gradient(135deg, #000000, #66C855);

Explore Each Color

Related Comparisons