black

#000000

#66FDC9

#66FDC9

Contrast Ratio

16.46:1

Delta E

105.23

Very Different

50:50 Mix

Color Values

Format #000000 #66FDC9
HEX #000000 #66FDC9
RGB 0, 0, 0 102, 253, 201
HSL 0.0, 0.0%, 0.0% 159.3, 97.4%, 69.6%
HSV 0.0, 0.0%, 0.0% 159.3, 59.7%, 99.2%
CMYK 0%, 0%, 0%, 100% 59.7%, 0.0%, 20.6%, 0.8%
OKLCH 0.0 0.0 0.0 0.8992 0.149 167.1

Contrast & Accessibility

16.46:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66FDC9 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66FDC9

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66FDC9);
background: linear-gradient(135deg, #000000, #66FDC9);

Explore Each Color

Related Comparisons