black

#000000

#288A2F

#288A2F

Contrast Ratio

4.77:1

Delta E

79.42

Very Different

50:50 Mix

Color Values

Format #000000 #288A2F
HEX #000000 #288A2F
RGB 0, 0, 0 40, 138, 47
HSL 0.0, 0.0%, 0.0% 124.3, 55.1%, 34.9%
HSV 0.0, 0.0%, 0.0% 124.3, 71.0%, 54.1%
CMYK 0%, 0%, 0%, 100% 71.0%, 0.0%, 65.9%, 45.9%
OKLCH 0.0 0.0 0.0 0.5577 0.1566 144.1

Contrast & Accessibility

4.77:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #288A2F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #288A2F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #288A2F);
background: linear-gradient(135deg, #000000, #288A2F);

Explore Each Color

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