black

#000000

#66FE5F

#66FE5F

Contrast Ratio

15.91:1

Delta E

129.12

Very Different

50:50 Mix

Color Values

Format #000000 #66FE5F
HEX #000000 #66FE5F
RGB 0, 0, 0 102, 254, 95
HSL 0.0, 0.0%, 0.0% 117.4, 98.8%, 68.4%
HSV 0.0, 0.0%, 0.0% 117.4, 62.6%, 99.6%
CMYK 0%, 0%, 0%, 100% 59.8%, 0.0%, 62.6%, 0.4%
OKLCH 0.0 0.0 0.0 0.8835 0.2383 142.6

Contrast & Accessibility

15.91:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66FE5F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66FE5F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66FE5F);
background: linear-gradient(135deg, #000000, #66FE5F);

Explore Each Color

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