SetBackgroundColor Command

From GeoGebra Manual
Jump to: navigation, search


SetBackgroundColor( <Object>, <Red>, <Green>, <Blue> )
Changes the background color of given object. This is used for Texts and for objects in the Spreadsheet. The red, green and blue represent amount of corresponding color component, 0 being minimum and 1 maximum. Number t exceeding this interval is mapped to it using function \mathrm{\mathsf{ 2\left|\frac{t}2-\mathrm round\left(\frac{t}2\right)\right| }}.
SetBackgroundColor( <Object>, <"Color"> )
Changes the background color of given object. This is used for Texts and for objects in the Spreadsheet. The color is entered as text, that may be:
  • an English color name (see Reference:Colors). Some of them can be also used in national languages and are listed below.
Note: If you use this command in a GeoGebraScript, you must use the English color names
  • an hexadecimal string of the type #AARRGGBB or #RRGGBB, where AA defines transparency (00 full transparency to FF full opacity), RR defines the red component, GG the green one and BB the blue one.
Example: SetBackgroundColor(text1, "#80FF0000") sets the background color of exixting text1 as Red, with a 50% transparency.
SetBackgroundColor( <Red>, <Green>, <Blue> )
Changes the background color of the active Graphics View
SetBackgroundColor( <"Color"> )
Changes the background color of the active Graphics View
Note: If you use this command in a GeoGebraScript, you must use the English color names


  • Black
  • Dark Gray
  • Gray
  • Dark Blue
  • Blue
  • Dark Green
  • Green
  • Maroon
  • Crimson
  • Red
  • Magenta
  • Indigo
  • Purple
  • Brown
  • Orange
  • Gold
  • Lime
  • Cyan
  • Turquoise
  • Light Blue
  • Aqua
  • Silver
  • Light Gray
  • Pink
  • Violet
  • Yellow
  • Light Yellow
  • Light Orange
  • Light Violet
  • Light Purple
  • Light Green
  • White
 
© 2018 International GeoGebra Institute