black

#000000

#66FF91

#66FF91

Contrast Ratio

16.28:1

Delta E

117.46

Very Different

50:50 Mix

Color Values

Format #000000 #66FF91
HEX #000000 #66FF91
RGB 0, 0, 0 102, 255, 145
HSL 0.0, 0.0%, 0.0% 136.9, 100.0%, 70.0%
HSV 0.0, 0.0%, 0.0% 136.9, 60.0%, 100.0%
CMYK 0%, 0%, 0%, 100% 60.0%, 0.0%, 43.1%, 0.0%
OKLCH 0.0 0.0 0.0 0.8925 0.1987 149.7

Contrast & Accessibility

16.28:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66FF91 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66FF91

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66FF91);
background: linear-gradient(135deg, #000000, #66FF91);

Explore Each Color

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