black

#000000

#21D521

#21D521

Contrast Ratio

10.6:1

Delta E

124.53

Very Different

50:50 Mix

Color Values

Format #000000 #21D521
HEX #000000 #21D521
RGB 0, 0, 0 33, 213, 33
HSL 0.0, 0.0%, 0.0% 120.0, 73.2%, 48.2%
HSV 0.0, 0.0%, 0.0% 120.0, 84.5%, 83.5%
CMYK 0%, 0%, 0%, 100% 84.5%, 0.0%, 84.5%, 16.5%
OKLCH 0.0 0.0 0.0 0.7595 0.2475 142.6

Contrast & Accessibility

10.6:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21D521 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21D521

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21D521);
background: linear-gradient(135deg, #000000, #21D521);

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