black

#000000

#21CE11

#21CE11

Contrast Ratio

9.9:1

Delta E

122.91

Very Different

50:50 Mix

Color Values

Format #000000 #21CE11
HEX #000000 #21CE11
RGB 0, 0, 0 33, 206, 17
HSL 0.0, 0.0%, 0.0% 114.9, 84.8%, 43.7%
HSV 0.0, 0.0%, 0.0% 114.9, 91.7%, 80.8%
CMYK 0%, 0%, 0%, 100% 84.0%, 0.0%, 91.7%, 19.2%
OKLCH 0.0 0.0 0.0 0.7404 0.245 142.1

Contrast & Accessibility

9.9:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21CE11 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21CE11

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21CE11);
background: linear-gradient(135deg, #000000, #21CE11);

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