black

#000000

#66CE91

#66CE91

Contrast Ratio

10.8:1

Delta E

89.91

Very Different

50:50 Mix

Color Values

Format #000000 #66CE91
HEX #000000 #66CE91
RGB 0, 0, 0 102, 206, 145
HSL 0.0, 0.0%, 0.0% 144.8, 51.5%, 60.4%
HSV 0.0, 0.0%, 0.0% 144.8, 50.5%, 80.8%
CMYK 0%, 0%, 0%, 100% 50.5%, 0.0%, 29.6%, 19.2%
OKLCH 0.0 0.0 0.0 0.773 0.1318 155.8

Contrast & Accessibility

10.8:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CE91 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CE91

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CE91);
background: linear-gradient(135deg, #000000, #66CE91);

Explore Each Color

Related Comparisons