black

#000000

#66DF7B

#66DF7B

Contrast Ratio

12.41:1

Delta E

104.59

Very Different

50:50 Mix

Color Values

Format #000000 #66DF7B
HEX #000000 #66DF7B
RGB 0, 0, 0 102, 223, 123
HSL 0.0, 0.0%, 0.0% 130.4, 65.4%, 63.7%
HSV 0.0, 0.0%, 0.0% 130.4, 54.3%, 87.5%
CMYK 0%, 0%, 0%, 100% 54.3%, 0.0%, 44.8%, 12.5%
OKLCH 0.0 0.0 0.0 0.8106 0.1762 147.3

Contrast & Accessibility

12.41:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66DF7B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66DF7B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66DF7B);
background: linear-gradient(135deg, #000000, #66DF7B);

Explore Each Color

Related Comparisons