black

#000000

#66BCCC

#66BCCC

Contrast Ratio

9.63:1

Delta E

76.57

Very Different

50:50 Mix

Color Values

Format #000000 #66BCCC
HEX #000000 #66BCCC
RGB 0, 0, 0 102, 188, 204
HSL 0.0, 0.0%, 0.0% 189.4, 50.0%, 60.0%
HSV 0.0, 0.0%, 0.0% 189.4, 50.0%, 80.0%
CMYK 0%, 0%, 0%, 100% 50.0%, 7.8%, 0.0%, 20.0%
OKLCH 0.0 0.0 0.0 0.7473 0.0861 211.0

Contrast & Accessibility

9.63:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66BCCC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66BCCC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

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