black

#000000

#637F18

#637F18

Contrast Ratio

4.58:1

Delta E

73.38

Very Different

50:50 Mix

Color Values

Format #000000 #637F18
HEX #000000 #637F18
RGB 0, 0, 0 99, 127, 24
HSL 0.0, 0.0%, 0.0% 76.3, 68.2%, 29.6%
HSV 0.0, 0.0%, 0.0% 76.3, 81.1%, 49.8%
CMYK 0%, 0%, 0%, 100% 22.0%, 0.0%, 81.1%, 50.2%
OKLCH 0.0 0.0 0.0 0.5551 0.1285 124.3

Contrast & Accessibility

4.58:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #637F18 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #637F18

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #637F18);
background: linear-gradient(135deg, #000000, #637F18);

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