black

#000000

#81CB59

#81CB59

Contrast Ratio

10.62:1

Delta E

99.32

Very Different

50:50 Mix

Color Values

Format #000000 #81CB59
HEX #000000 #81CB59
RGB 0, 0, 0 129, 203, 89
HSL 0.0, 0.0%, 0.0% 98.9, 52.3%, 57.3%
HSV 0.0, 0.0%, 0.0% 98.9, 56.2%, 79.6%
CMYK 0%, 0%, 0%, 100% 36.5%, 0.0%, 56.2%, 20.4%
OKLCH 0.0 0.0 0.0 0.7688 0.166 135.9

Contrast & Accessibility

10.62:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #81CB59 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #81CB59

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #81CB59);
background: linear-gradient(135deg, #000000, #81CB59);

Explore Each Color

Related Comparisons