black

#000000

#51DF51

#51DF51

Contrast Ratio

12.02:1

Delta E

116.96

Very Different

50:50 Mix

Color Values

Format #000000 #51DF51
HEX #000000 #51DF51
RGB 0, 0, 0 81, 223, 81
HSL 0.0, 0.0%, 0.0% 120.0, 68.9%, 59.6%
HSV 0.0, 0.0%, 0.0% 120.0, 63.7%, 87.5%
CMYK 0%, 0%, 0%, 100% 63.7%, 0.0%, 63.7%, 12.5%
OKLCH 0.0 0.0 0.0 0.7984 0.2199 143.2

Contrast & Accessibility

12.02:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51DF51 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51DF51

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51DF51);
background: linear-gradient(135deg, #000000, #51DF51);

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