black

#000000

#51ABC6

#51ABC6

Contrast Ratio

7.99:1

Delta E

71.8

Very Different

50:50 Mix

Color Values

Format #000000 #51ABC6
HEX #000000 #51ABC6
RGB 0, 0, 0 81, 171, 198
HSL 0.0, 0.0%, 0.0% 193.8, 50.6%, 54.7%
HSV 0.0, 0.0%, 0.0% 193.8, 59.1%, 77.6%
CMYK 0%, 0%, 0%, 100% 59.1%, 13.6%, 0.0%, 22.4%
OKLCH 0.0 0.0 0.0 0.6968 0.094 220.3

Contrast & Accessibility

7.99:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51ABC6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51ABC6

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51ABC6);
background: linear-gradient(135deg, #000000, #51ABC6);

Explore Each Color

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