black

#000000

#3FCA71

#3FCA71

Contrast Ratio

9.9:1

Delta E

97.99

Very Different

50:50 Mix

Color Values

Format #000000 #3FCA71
HEX #000000 #3FCA71
RGB 0, 0, 0 63, 202, 113
HSL 0.0, 0.0%, 0.0% 141.6, 56.7%, 52.0%
HSV 0.0, 0.0%, 0.0% 141.6, 68.8%, 79.2%
CMYK 0%, 0%, 0%, 100% 68.8%, 0.0%, 44.1%, 20.8%
OKLCH 0.0 0.0 0.0 0.7442 0.1736 151.3

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: #3FCA71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3FCA71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3FCA71);
background: linear-gradient(135deg, #000000, #3FCA71);

Explore Each Color

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