black

#000000

#81FD51

#81FD51

Contrast Ratio

16.1:1

Delta E

129.56

Very Different

50:50 Mix

Color Values

Format #000000 #81FD51
HEX #000000 #81FD51
RGB 0, 0, 0 129, 253, 81
HSL 0.0, 0.0%, 0.0% 103.3, 97.7%, 65.5%
HSV 0.0, 0.0%, 0.0% 103.3, 68.0%, 99.2%
CMYK 0%, 0%, 0%, 100% 49.0%, 0.0%, 68.0%, 0.8%
OKLCH 0.0 0.0 0.0 0.8893 0.2351 138.4

Contrast & Accessibility

16.1:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #81FD51 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #81FD51

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #81FD51);
background: linear-gradient(135deg, #000000, #81FD51);

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