black

#000000

#66EE41

#66EE41

Contrast Ratio

13.87:1

Delta E

127.2

Very Different

50:50 Mix

Color Values

Format #000000 #66EE41
HEX #000000 #66EE41
RGB 0, 0, 0 102, 238, 65
HSL 0.0, 0.0%, 0.0% 107.2, 83.6%, 59.4%
HSV 0.0, 0.0%, 0.0% 107.2, 72.7%, 93.3%
CMYK 0%, 0%, 0%, 100% 57.1%, 0.0%, 72.7%, 6.7%
OKLCH 0.0 0.0 0.0 0.8413 0.239 139.9

Contrast & Accessibility

13.87:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66EE41 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66EE41

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66EE41);
background: linear-gradient(135deg, #000000, #66EE41);

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