black

#000000

#638A21

#638A21

Contrast Ratio

5.19:1

Delta E

77.67

Very Different

50:50 Mix

Color Values

Format #000000 #638A21
HEX #000000 #638A21
RGB 0, 0, 0 99, 138, 33
HSL 0.0, 0.0%, 0.0% 82.3, 61.4%, 33.5%
HSV 0.0, 0.0%, 0.0% 82.3, 76.1%, 54.1%
CMYK 0%, 0%, 0%, 100% 28.3%, 0.0%, 76.1%, 45.9%
OKLCH 0.0 0.0 0.0 0.5838 0.1376 128.2

Contrast & Accessibility

5.19:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638A21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638A21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638A21);
background: linear-gradient(135deg, #000000, #638A21);

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