black

#000000

#21EC21

#21EC21

Contrast Ratio

13.08:1

Delta E

136.13

Very Different

50:50 Mix

Color Values

Format #000000 #21EC21
HEX #000000 #21EC21
RGB 0, 0, 0 33, 236, 33
HSL 0.0, 0.0%, 0.0% 120.0, 84.2%, 52.7%
HSV 0.0, 0.0%, 0.0% 120.0, 86.0%, 92.5%
CMYK 0%, 0%, 0%, 100% 86.0%, 0.0%, 86.0%, 7.5%
OKLCH 0.0 0.0 0.0 0.8198 0.2695 142.6

Contrast & Accessibility

13.08:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21EC21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21EC21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21EC21);
background: linear-gradient(135deg, #000000, #21EC21);

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