black

#000000

#51FF5B

#51FF5B

Contrast Ratio

15.8:1

Delta E

132.2

Very Different

50:50 Mix

Color Values

Format #000000 #51FF5B
HEX #000000 #51FF5B
RGB 0, 0, 0 81, 255, 91
HSL 0.0, 0.0%, 0.0% 123.4, 100.0%, 65.9%
HSV 0.0, 0.0%, 0.0% 123.4, 68.2%, 100.0%
CMYK 0%, 0%, 0%, 100% 68.2%, 0.0%, 64.3%, 0.0%
OKLCH 0.0 0.0 0.0 0.88 0.2495 143.9

Contrast & Accessibility

15.8:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51FF5B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51FF5B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51FF5B);
background: linear-gradient(135deg, #000000, #51FF5B);

Explore Each Color

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