black

#000000

#137D2F

#137D2F

Contrast Ratio

4.0:1

Delta E

72.87

Very Different

50:50 Mix

Color Values

Format #000000 #137D2F
HEX #000000 #137D2F
RGB 0, 0, 0 19, 125, 47
HSL 0.0, 0.0%, 0.0% 135.8, 73.6%, 28.2%
HSV 0.0, 0.0%, 0.0% 135.8, 84.8%, 49.0%
CMYK 0%, 0%, 0%, 100% 84.8%, 0.0%, 62.4%, 51.0%
OKLCH 0.0 0.0 0.0 0.5164 0.1463 146.9

Contrast & Accessibility

4.0:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #137D2F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #137D2F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #137D2F);
background: linear-gradient(135deg, #000000, #137D2F);

Explore Each Color

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