black

#000000

#51BDCD

#51BDCD

Contrast Ratio

9.51:1

Delta E

77.81

Very Different

50:50 Mix

Color Values

Format #000000 #51BDCD
HEX #000000 #51BDCD
RGB 0, 0, 0 81, 189, 205
HSL 0.0, 0.0%, 0.0% 187.7, 55.4%, 56.1%
HSV 0.0, 0.0%, 0.0% 187.7, 60.5%, 80.4%
CMYK 0%, 0%, 0%, 100% 60.5%, 7.8%, 0.0%, 19.6%
OKLCH 0.0 0.0 0.0 0.7421 0.1004 208.6

Contrast & Accessibility

9.51:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51BDCD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51BDCD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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