black

#000000

#66CD4E

#66CD4E

Contrast Ratio

10.41:1

Delta E

105.59

Very Different

50:50 Mix

Color Values

Format #000000 #66CD4E
HEX #000000 #66CD4E
RGB 0, 0, 0 102, 205, 78
HSL 0.0, 0.0%, 0.0% 108.7, 55.9%, 55.5%
HSV 0.0, 0.0%, 0.0% 108.7, 62.0%, 80.4%
CMYK 0%, 0%, 0%, 100% 50.2%, 0.0%, 62.0%, 19.6%
OKLCH 0.0 0.0 0.0 0.7598 0.1912 140.0

Contrast & Accessibility

10.41:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CD4E → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CD4E

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CD4E);
background: linear-gradient(135deg, #000000, #66CD4E);

Explore Each Color

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