black

#000000

#288B40

#288B40

Contrast Ratio

4.86:1

Delta E

75.09

Very Different

50:50 Mix

Color Values

Format #000000 #288B40
HEX #000000 #288B40
RGB 0, 0, 0 40, 139, 64
HSL 0.0, 0.0%, 0.0% 134.5, 55.3%, 35.1%
HSV 0.0, 0.0%, 0.0% 134.5, 71.2%, 54.5%
CMYK 0%, 0%, 0%, 100% 71.2%, 0.0%, 54.0%, 45.5%
OKLCH 0.0 0.0 0.0 0.5627 0.1434 147.7

Contrast & Accessibility

4.86:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288B40 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288B40

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288B40);
background: linear-gradient(135deg, #000000, #288B40);

Explore Each Color

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