#646D5B

#646D5B

white

#FFFFFF

Contrast Ratio

5.41:1

Delta E

56.36

Very Different

50:50 Mix

Color Values

Format #646D5B #FFFFFF
HEX #646D5B #FFFFFF
RGB 100, 109, 91 255, 255, 255
HSL 90.0, 9.0%, 39.2% 0.0, 0.0%, 100.0%
HSV 90.0, 16.5%, 42.7% 0.0, 0.0%, 100.0%
CMYK 8.3%, 0.0%, 16.5%, 57.3% 0.0%, 0.0%, 0.0%, 0.0%
OKLCH 0.5216 0.0297 129.1 1.0 0.0 89.9

Contrast & Accessibility

5.41:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FFFFFF β†’ Background: #646D5B

The quick brown fox jumps over the lazy dog

Text: #646D5B β†’ Background: #FFFFFF

Color Difference (Delta E)

56.36 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #646D5B, #FFFFFF);
background: linear-gradient(135deg, #646D5B, #FFFFFF);

Explore Each Color

Related Comparisons