black

#000000

#66CF36

#66CF36

Contrast Ratio

10.54:1

Delta E

112.46

Very Different

50:50 Mix

Color Values

Format #000000 #66CF36
HEX #000000 #66CF36
RGB 0, 0, 0 102, 207, 54
HSL 0.0, 0.0%, 0.0% 101.2, 61.4%, 51.2%
HSV 0.0, 0.0%, 0.0% 101.2, 73.9%, 81.2%
CMYK 0%, 0%, 0%, 100% 50.7%, 0.0%, 73.9%, 18.8%
OKLCH 0.0 0.0 0.0 0.7627 0.2096 137.9

Contrast & Accessibility

10.54:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66CF36 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66CF36

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66CF36);
background: linear-gradient(135deg, #000000, #66CF36);

Explore Each Color

Related Comparisons