black

#000000

#51CEBC

#51CEBC

Contrast Ratio

10.9:1

Delta E

85.13

Very Different

50:50 Mix

Color Values

Format #000000 #51CEBC
HEX #000000 #51CEBC
RGB 0, 0, 0 81, 206, 188
HSL 0.0, 0.0%, 0.0% 171.4, 56.1%, 56.3%
HSV 0.0, 0.0%, 0.0% 171.4, 60.7%, 80.8%
CMYK 0%, 0%, 0%, 100% 60.7%, 0.0%, 8.7%, 19.2%
OKLCH 0.0 0.0 0.0 0.777 0.1135 182.1

Contrast & Accessibility

10.9:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51CEBC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51CEBC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons