black

#000000

#57A221

#57A221

Contrast Ratio

6.6:1

Delta E

92.72

Very Different

50:50 Mix

Color Values

Format #000000 #57A221
HEX #000000 #57A221
RGB 0, 0, 0 87, 162, 33
HSL 0.0, 0.0%, 0.0% 94.9, 66.2%, 38.2%
HSV 0.0, 0.0%, 0.0% 94.9, 79.6%, 63.5%
CMYK 0%, 0%, 0%, 100% 46.3%, 0.0%, 79.6%, 36.5%
OKLCH 0.0 0.0 0.0 0.6392 0.1743 135.6

Contrast & Accessibility

6.6:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #57A221 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #57A221

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #57A221);
background: linear-gradient(135deg, #000000, #57A221);

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