black

#000000

#51A340

#51A340

Contrast Ratio

6.66:1

Delta E

86.19

Very Different

50:50 Mix

Color Values

Format #000000 #51A340
HEX #000000 #51A340
RGB 0, 0, 0 81, 163, 64
HSL 0.0, 0.0%, 0.0% 109.7, 43.6%, 44.5%
HSV 0.0, 0.0%, 0.0% 109.7, 60.7%, 63.9%
CMYK 0%, 0%, 0%, 100% 50.3%, 0.0%, 60.7%, 36.1%
OKLCH 0.0 0.0 0.0 0.6417 0.1577 140.3

Contrast & Accessibility

6.66:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51A340 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51A340

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51A340);
background: linear-gradient(135deg, #000000, #51A340);

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