Tkinter GUI Application Development Blueprints, Second Edition - Second Edition

Specifying styles

Under the purview of styling, we will cover how to apply different colors, fonts, border widths, reliefs, cursors, and bitmap icons to widgets.

First, let's see how to specify the color options for a widget. You can specify the following two types of color for most widgets:

• The background color
• The foreground color

You can specify the color by using hexadecimal color codes for the proportion of red(r), green(g), and blue(b). The commonly used representations are #rgb (4 bits), #rrggbb (8 bits), and #rrrgggbbb (12 bits).

For example, #fff is white, #000000 is black, #f00 is red (R=0xf, G=0x0 , B=0x0 ), #00ff00 is green (R=0x00, G=0xff, B=0x00), and #000000fff is blue (R=0x000 , G=0x000 , B=0xfff ).

Alternatively, Tkinter ...