black

#000000

#66CFE4

#66CFE4

Contrast Ratio

11.61:1

Delta E

84.0

Very Different

50:50 Mix

Color Values

Format #000000 #66CFE4
HEX #000000 #66CFE4
RGB 0, 0, 0 102, 207, 228
HSL 0.0, 0.0%, 0.0% 190.0, 70.0%, 64.7%
HSV 0.0, 0.0%, 0.0% 190.0, 55.3%, 89.4%
CMYK 0%, 0%, 0%, 100% 55.3%, 9.2%, 0.0%, 10.6%
OKLCH 0.0 0.0 0.0 0.7999 0.1012 212.5

Contrast & Accessibility

11.61:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CFE4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CFE4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CFE4);
background: linear-gradient(135deg, #000000, #66CFE4);

Explore Each Color

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