black

#000000

#21D00F

#21D00F

Contrast Ratio

10.09:1

Delta E

124.1

Very Different

50:50 Mix

Color Values

Format #000000 #21D00F
HEX #000000 #21D00F
RGB 0, 0, 0 33, 208, 15
HSL 0.0, 0.0%, 0.0% 114.4, 86.5%, 43.7%
HSV 0.0, 0.0%, 0.0% 114.4, 92.8%, 81.6%
CMYK 0%, 0%, 0%, 100% 84.1%, 0.0%, 92.8%, 18.4%
OKLCH 0.0 0.0 0.0 0.7457 0.2473 142.1

Contrast & Accessibility

10.09:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21D00F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21D00F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21D00F);
background: linear-gradient(135deg, #000000, #21D00F);

Explore Each Color

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