black

#000000

#51EC7F

#51EC7F

Contrast Ratio

13.65:1

Delta E

112.69

Very Different

50:50 Mix

Color Values

Format #000000 #51EC7F
HEX #000000 #51EC7F
RGB 0, 0, 0 81, 236, 127
HSL 0.0, 0.0%, 0.0% 137.8, 80.3%, 62.2%
HSV 0.0, 0.0%, 0.0% 137.8, 65.7%, 92.5%
CMYK 0%, 0%, 0%, 100% 65.7%, 0.0%, 46.2%, 7.5%
OKLCH 0.0 0.0 0.0 0.837 0.1984 149.6

Contrast & Accessibility

13.65:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51EC7F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51EC7F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51EC7F);
background: linear-gradient(135deg, #000000, #51EC7F);

Explore Each Color

Related Comparisons