black

#000000

#638F3C

#638F3C

Contrast Ratio

5.52:1

Delta E

73.37

Very Different

50:50 Mix

Color Values

Format #000000 #638F3C
HEX #000000 #638F3C
RGB 0, 0, 0 99, 143, 60
HSL 0.0, 0.0%, 0.0% 91.8, 40.9%, 39.8%
HSV 0.0, 0.0%, 0.0% 91.8, 58.0%, 56.1%
CMYK 0%, 0%, 0%, 100% 30.8%, 0.0%, 58.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.5991 0.1233 132.4

Contrast & Accessibility

5.52:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638F3C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638F3C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638F3C);
background: linear-gradient(135deg, #000000, #638F3C);

Explore Each Color

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