black

#000000

#66FCBB

#66FCBB

Contrast Ratio

16.21:1

Delta E

107.0

Very Different

50:50 Mix

Color Values

Format #000000 #66FCBB
HEX #000000 #66FCBB
RGB 0, 0, 0 102, 252, 187
HSL 0.0, 0.0%, 0.0% 154.0, 96.2%, 69.4%
HSV 0.0, 0.0%, 0.0% 154.0, 59.5%, 98.8%
CMYK 0%, 0%, 0%, 100% 59.5%, 0.0%, 25.8%, 1.2%
OKLCH 0.0 0.0 0.0 0.8935 0.1583 161.8

Contrast & Accessibility

16.21:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66FCBB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66FCBB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons