black

#000000

#288A80

#288A80

Contrast Ratio

5.04:1

Delta E

60.21

Very Different

50:50 Mix

Color Values

Format #000000 #288A80
HEX #000000 #288A80
RGB 0, 0, 0 40, 138, 128
HSL 0.0, 0.0%, 0.0% 173.9, 55.1%, 34.9%
HSV 0.0, 0.0%, 0.0% 173.9, 71.0%, 54.1%
CMYK 0%, 0%, 0%, 100% 71.0%, 0.0%, 7.2%, 45.9%
OKLCH 0.0 0.0 0.0 0.5755 0.0895 185.1

Contrast & Accessibility

5.04:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288A80 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288A80

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288A80);
background: linear-gradient(135deg, #000000, #288A80);

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