black

#000000

#51AC23

#51AC23

Contrast Ratio

7.28:1

Delta E

98.62

Very Different

50:50 Mix

Color Values

Format #000000 #51AC23
HEX #000000 #51AC23
RGB 0, 0, 0 81, 172, 35
HSL 0.0, 0.0%, 0.0% 99.9, 66.2%, 40.6%
HSV 0.0, 0.0%, 0.0% 99.9, 79.7%, 67.5%
CMYK 0%, 0%, 0%, 100% 52.9%, 0.0%, 79.7%, 32.5%
OKLCH 0.0 0.0 0.0 0.6629 0.1882 137.7

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: #51AC23 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51AC23

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51AC23);
background: linear-gradient(135deg, #000000, #51AC23);

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