black

#000000

#37E551

#37E551

Contrast Ratio

12.49:1

Delta E

122.09

Very Different

50:50 Mix

Color Values

Format #000000 #37E551
HEX #000000 #37E551
RGB 0, 0, 0 55, 229, 81
HSL 0.0, 0.0%, 0.0% 129.0, 77.0%, 55.7%
HSV 0.0, 0.0%, 0.0% 129.0, 76.0%, 89.8%
CMYK 0%, 0%, 0%, 100% 76.0%, 0.0%, 64.6%, 10.2%
OKLCH 0.0 0.0 0.0 0.8078 0.2346 145.0

Contrast & Accessibility

12.49:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #37E551 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #37E551

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #37E551);
background: linear-gradient(135deg, #000000, #37E551);

Explore Each Color

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