black

#000000

#51FD5A

#51FD5A

Contrast Ratio

15.55:1

Delta E

131.35

Very Different

50:50 Mix

Color Values

Format #000000 #51FD5A
HEX #000000 #51FD5A
RGB 0, 0, 0 81, 253, 90
HSL 0.0, 0.0%, 0.0% 123.1, 97.7%, 65.5%
HSV 0.0, 0.0%, 0.0% 123.1, 68.0%, 99.2%
CMYK 0%, 0%, 0%, 100% 68.0%, 0.0%, 64.4%, 0.8%
OKLCH 0.0 0.0 0.0 0.8749 0.2479 143.8

Contrast & Accessibility

15.55:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51FD5A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51FD5A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51FD5A);
background: linear-gradient(135deg, #000000, #51FD5A);

Explore Each Color

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