black

#000000

#66DEC5

#66DEC5

Contrast Ratio

12.82:1

Delta E

90.55

Very Different

50:50 Mix

Color Values

Format #000000 #66DEC5
HEX #000000 #66DEC5
RGB 0, 0, 0 102, 222, 197
HSL 0.0, 0.0%, 0.0% 167.5, 64.5%, 63.5%
HSV 0.0, 0.0%, 0.0% 167.5, 54.1%, 87.1%
CMYK 0%, 0%, 0%, 100% 54.1%, 0.0%, 11.3%, 12.9%
OKLCH 0.0 0.0 0.0 0.8247 0.1146 177.6

Contrast & Accessibility

12.82:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66DEC5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66DEC5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66DEC5);
background: linear-gradient(135deg, #000000, #66DEC5);

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