black

#000000

#81BF39

#81BF39

Contrast Ratio

9.44:1

Delta E

100.49

Very Different

50:50 Mix

Color Values

Format #000000 #81BF39
HEX #000000 #81BF39
RGB 0, 0, 0 129, 191, 57
HSL 0.0, 0.0%, 0.0% 87.8, 54.0%, 48.6%
HSV 0.0, 0.0%, 0.0% 87.8, 70.2%, 74.9%
CMYK 0%, 0%, 0%, 100% 32.5%, 0.0%, 70.2%, 25.1%
OKLCH 0.0 0.0 0.0 0.7364 0.1748 131.2

Contrast & Accessibility

9.44:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #81BF39 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #81BF39

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #81BF39);
background: linear-gradient(135deg, #000000, #81BF39);

Explore Each Color

Related Comparisons