black

#000000

#66CFDC

#66CFDC

Contrast Ratio

11.52:1

Delta E

83.62

Very Different

50:50 Mix

Color Values

Format #000000 #66CFDC
HEX #000000 #66CFDC
RGB 0, 0, 0 102, 207, 220
HSL 0.0, 0.0%, 0.0% 186.6, 62.8%, 63.1%
HSV 0.0, 0.0%, 0.0% 186.6, 53.6%, 86.3%
CMYK 0%, 0%, 0%, 100% 53.6%, 5.9%, 0.0%, 13.7%
OKLCH 0.0 0.0 0.0 0.797 0.0986 206.1

Contrast & Accessibility

11.52:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CFDC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CFDC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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