black

#000000

#669D1F

#669D1F

Contrast Ratio

6.41:1

Delta E

88.92

Very Different

50:50 Mix

Color Values

Format #000000 #669D1F
HEX #000000 #669D1F
RGB 0, 0, 0 102, 157, 31
HSL 0.0, 0.0%, 0.0% 86.2, 67.0%, 36.9%
HSV 0.0, 0.0%, 0.0% 86.2, 80.3%, 61.6%
CMYK 0%, 0%, 0%, 100% 35.0%, 0.0%, 80.3%, 38.4%
OKLCH 0.0 0.0 0.0 0.6341 0.1612 131.1

Contrast & Accessibility

6.41:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #669D1F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #669D1F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #669D1F);
background: linear-gradient(135deg, #000000, #669D1F);

Explore Each Color

Related Comparisons