black

#000000

#66EFFF

#66EFFF

Contrast Ratio

15.36:1

Delta E

95.58

Very Different

50:50 Mix

Color Values

Format #000000 #66EFFF
HEX #000000 #66EFFF
RGB 0, 0, 0 102, 239, 255
HSL 0.0, 0.0%, 0.0% 186.3, 100.0%, 70.0%
HSV 0.0, 0.0%, 0.0% 186.3, 60.0%, 100.0%
CMYK 0%, 0%, 0%, 100% 60.0%, 6.3%, 0.0%, 0.0%
OKLCH 0.0 0.0 0.0 0.8828 0.12 205.8

Contrast & Accessibility

15.36:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66EFFF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66EFFF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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