black

#000000

#66CF43

#66CF43

Contrast Ratio

10.57:1

Delta E

109.48

Very Different

50:50 Mix

Color Values

Format #000000 #66CF43
HEX #000000 #66CF43
RGB 0, 0, 0 102, 207, 67
HSL 0.0, 0.0%, 0.0% 105.0, 59.3%, 53.7%
HSV 0.0, 0.0%, 0.0% 105.0, 67.6%, 81.2%
CMYK 0%, 0%, 0%, 100% 50.7%, 0.0%, 67.6%, 18.8%
OKLCH 0.0 0.0 0.0 0.7637 0.2017 138.9

Contrast & Accessibility

10.57:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CF43 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CF43

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CF43);
background: linear-gradient(135deg, #000000, #66CF43);

Explore Each Color

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