Small brown figures on a yellow background, sort of, apparently.
By the way, white text on that yellow background for style.
The cover of the Japanese edition has a yellow background.
The logo usually appears in blue on a dark yellow or white background.
The original note is dark purple with a yellow background.
The yellow background represents the sun, progress, and the future.
Unlike the original card, it has a yellow background instead of a white one.
In the table, fields with a yellow background are used for data input.
The arms show a red rose with five petals on a yellow background.
The thighs are marked with black lines on a yellow background.