Samsung UN50ES6100 E-Manual page 227

Font Style: Options include
Style0 to Style7. The default is Style0.
Font Color: You can change the color
of the letters.
Options include Default, White, Black,
Red, Green, Blue, Yellow,
Cyan. The default is White.
Background
the background color of the captions.
Options include Default, White, Black,
Red, Green, Blue, Yellow,
Color: You can change
Default
Magenta
Magenta
and
and
and