black

#000000

#288B6D

#288B6D

Contrast Ratio

5.0:1

Delta E

63.49

Very Different

50:50 Mix

Color Values

Format #000000 #288B6D
HEX #000000 #288B6D
RGB 0, 0, 0 40, 139, 109
HSL 0.0, 0.0%, 0.0% 161.8, 55.3%, 35.1%
HSV 0.0, 0.0%, 0.0% 161.8, 71.2%, 54.5%
CMYK 0%, 0%, 0%, 100% 71.2%, 0.0%, 21.6%, 45.5%
OKLCH 0.0 0.0 0.0 0.5723 0.1016 168.5

Contrast & Accessibility

5.0:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288B6D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288B6D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288B6D);
background: linear-gradient(135deg, #000000, #288B6D);

Explore Each Color

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