black

#000000

#669C8F

#669C8F

Contrast Ratio

6.72:1

Delta E

63.92

Very Different

50:50 Mix

Color Values

Format #000000 #669C8F
HEX #000000 #669C8F
RGB 0, 0, 0 102, 156, 143
HSL 0.0, 0.0%, 0.0% 165.6, 21.4%, 50.6%
HSV 0.0, 0.0%, 0.0% 165.6, 34.6%, 61.2%
CMYK 0%, 0%, 0%, 100% 34.6%, 0.0%, 8.3%, 38.8%
OKLCH 0.0 0.0 0.0 0.6511 0.0607 177.4

Contrast & Accessibility

6.72:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #669C8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #669C8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #669C8F);
background: linear-gradient(135deg, #000000, #669C8F);

Explore Each Color

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