black

#000000

#40D157

#40D157

Contrast Ratio

10.48:1

Delta E

108.78

Very Different

50:50 Mix

Color Values

Format #000000 #40D157
HEX #000000 #40D157
RGB 0, 0, 0 64, 209, 87
HSL 0.0, 0.0%, 0.0% 129.5, 61.2%, 53.5%
HSV 0.0, 0.0%, 0.0% 129.5, 69.4%, 82.0%
CMYK 0%, 0%, 0%, 100% 69.4%, 0.0%, 58.4%, 18.0%
OKLCH 0.0 0.0 0.0 0.7587 0.2045 145.7

Contrast & Accessibility

10.48:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #40D157 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #40D157

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #40D157);
background: linear-gradient(135deg, #000000, #40D157);

Explore Each Color

Related Comparisons