black

#000000

#66CB52

#66CB52

Contrast Ratio

10.23:1

Delta E

103.4

Very Different

50:50 Mix

Color Values

Format #000000 #66CB52
HEX #000000 #66CB52
RGB 0, 0, 0 102, 203, 82
HSL 0.0, 0.0%, 0.0% 110.1, 53.8%, 55.9%
HSV 0.0, 0.0%, 0.0% 110.1, 59.6%, 79.6%
CMYK 0%, 0%, 0%, 100% 49.8%, 0.0%, 59.6%, 20.4%
OKLCH 0.0 0.0 0.0 0.7552 0.1855 140.5

Contrast & Accessibility

10.23:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CB52 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CB52

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CB52);
background: linear-gradient(135deg, #000000, #66CB52);

Explore Each Color

Related Comparisons