black

#000000

#21CE0F

#21CE0F

Contrast Ratio

9.9:1

Delta E

123.09

Very Different

50:50 Mix

Color Values

Format #000000 #21CE0F
HEX #000000 #21CE0F
RGB 0, 0, 0 33, 206, 15
HSL 0.0, 0.0%, 0.0% 114.3, 86.4%, 43.3%
HSV 0.0, 0.0%, 0.0% 114.3, 92.7%, 80.8%
CMYK 0%, 0%, 0%, 100% 84.0%, 0.0%, 92.7%, 19.2%
OKLCH 0.0 0.0 0.0 0.7404 0.2454 142.0

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: #21CE0F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21CE0F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21CE0F);
background: linear-gradient(135deg, #000000, #21CE0F);

Explore Each Color

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