black

#000000

#66DFEF

#66DFEF

Contrast Ratio

13.37:1

Delta E

89.7

Very Different

50:50 Mix

Color Values

Format #000000 #66DFEF
HEX #000000 #66DFEF
RGB 0, 0, 0 102, 223, 239
HSL 0.0, 0.0%, 0.0% 187.0, 81.1%, 66.9%
HSV 0.0, 0.0%, 0.0% 187.0, 57.3%, 93.7%
CMYK 0%, 0%, 0%, 100% 57.3%, 6.7%, 0.0%, 6.3%
OKLCH 0.0 0.0 0.0 0.8406 0.1099 207.0

Contrast & Accessibility

13.37:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66DFEF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66DFEF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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