black

#000000

#288D37

#288D37

Contrast Ratio

4.96:1

Delta E

78.97

Very Different

50:50 Mix

Color Values

Format #000000 #288D37
HEX #000000 #288D37
RGB 0, 0, 0 40, 141, 55
HSL 0.0, 0.0%, 0.0% 128.9, 55.8%, 35.5%
HSV 0.0, 0.0%, 0.0% 128.9, 71.6%, 55.3%
CMYK 0%, 0%, 0%, 100% 71.6%, 0.0%, 61.0%, 44.7%
OKLCH 0.0 0.0 0.0 0.567 0.154 145.5

Contrast & Accessibility

4.96:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288D37 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288D37

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288D37);
background: linear-gradient(135deg, #000000, #288D37);

Explore Each Color

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