black

#000000

#51AC29

#51AC29

Contrast Ratio

7.28:1

Delta E

97.36

Very Different

50:50 Mix

Color Values

Format #000000 #51AC29
HEX #000000 #51AC29
RGB 0, 0, 0 81, 172, 41
HSL 0.0, 0.0%, 0.0% 101.7, 61.5%, 41.8%
HSV 0.0, 0.0%, 0.0% 101.7, 76.2%, 67.5%
CMYK 0%, 0%, 0%, 100% 52.9%, 0.0%, 76.2%, 32.5%
OKLCH 0.0 0.0 0.0 0.6632 0.1851 138.2

Contrast & Accessibility

7.28:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51AC29 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51AC29

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51AC29);
background: linear-gradient(135deg, #000000, #51AC29);

Explore Each Color

Related Comparisons