black

#000000

#138D3F

#138D3F

Contrast Ratio

4.91:1

Delta E

77.98

Very Different

50:50 Mix

Color Values

Format #000000 #138D3F
HEX #000000 #138D3F
RGB 0, 0, 0 19, 141, 63
HSL 0.0, 0.0%, 0.0% 141.6, 76.2%, 31.4%
HSV 0.0, 0.0%, 0.0% 141.6, 86.5%, 55.3%
CMYK 0%, 0%, 0%, 100% 86.5%, 0.0%, 55.3%, 44.7%
OKLCH 0.0 0.0 0.0 0.5641 0.1526 149.1

Contrast & Accessibility

4.91:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #138D3F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #138D3F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #138D3F);
background: linear-gradient(135deg, #000000, #138D3F);

Explore Each Color

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