black

#000000

#669B91

#669B91

Contrast Ratio

6.66:1

Delta E

63.37

Very Different

50:50 Mix

Color Values

Format #000000 #669B91
HEX #000000 #669B91
RGB 0, 0, 0 102, 155, 145
HSL 0.0, 0.0%, 0.0% 168.7, 20.9%, 50.4%
HSV 0.0, 0.0%, 0.0% 168.7, 34.2%, 60.8%
CMYK 0%, 0%, 0%, 100% 34.2%, 0.0%, 6.5%, 39.2%
OKLCH 0.0 0.0 0.0 0.6493 0.0584 181.2

Contrast & Accessibility

6.66:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #669B91 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #669B91

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #669B91);
background: linear-gradient(135deg, #000000, #669B91);

Explore Each Color

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