black

#000000

#51FD78

#51FD78

Contrast Ratio

15.67:1

Delta E

123.98

Very Different

50:50 Mix

Color Values

Format #000000 #51FD78
HEX #000000 #51FD78
RGB 0, 0, 0 81, 253, 120
HSL 0.0, 0.0%, 0.0% 133.6, 97.7%, 65.5%
HSV 0.0, 0.0%, 0.0% 133.6, 68.0%, 99.2%
CMYK 0%, 0%, 0%, 100% 68.0%, 0.0%, 52.6%, 0.8%
OKLCH 0.0 0.0 0.0 0.8783 0.2253 147.3

Contrast & Accessibility

15.67:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51FD78 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51FD78

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51FD78);
background: linear-gradient(135deg, #000000, #51FD78);

Explore Each Color

Related Comparisons