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Hex2RGB ( hex ; delimiter ; alert )

Converts hex color codes to decimal RGB

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F. Osman Cabi - Show more from this author Cabitas http://thefilemakerblog.blogspot.com/

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

// Hex2RGB ( hex ; delimiter ; alert ) // Syntax: Hex2RGB ( "0CAB10" ; "-" ; "Hex is written wrong" // Converts hex color codes to decimal RGB // By F. Osman CABI // 8 Jul 2008 Let ( // Check input value chex = Upper ( Filter ( hex ; "0123456789aAbBcCdDeEfF" ) ) ; If ( Length ( chex ) = 6 ; // RED Substitute ( Middle ( chex;1;1) ; [ "A" ; 10 ] ; [ "B" ; 11 ] ; [ "C" ; 12 ] ; [ "D" ; 13 ] ; [ "E" ; 14 ] ; [ "F" ; 15 ] ) * 16 + Substitute ( Middle ( chex;2;1) ; [ "A" ; 10 ] ; [ "B" ; 11 ] ; [ "C" ; 12 ] ; [ "D" ; 13 ] ; [ "E" ; 14 ] ; [ "F" ; 15 ] ) * 1 & delimiter & // GREEN Substitute ( Middle (chex;3;1) ; [ "A" ; 10 ] ; [ "B" ; 11 ] ; [ "C" ; 12 ] ; [ "D" ; 13 ] ; [ "E" ; 14 ] ; [ "F" ; 15 ] ) * 16 + Substitute ( Middle (chex;4;1) ; [ "A" ; 10 ] ; [ "B" ; 11 ] ; [ "C" ; 12 ] ; [ "D" ; 13 ] ; [ "E" ; 14 ] ; [ "F" ; 15 ] ) * 1 & delimiter & // BLUE Substitute ( Middle (chex;5;1) ; [ "A" ; 10 ] ; [ "B" ; 11 ] ; [ "C" ; 12 ] ; [ "D" ; 13 ] ; [ "E" ; 14 ] ; [ "F" ; 15 ] ) * 16 + Substitute ( Middle (chex;6;1) ; [ "A" ; 10 ] ; [ "B" ; 11 ] ; [ "C" ; 12 ] ; [ "D" ; 13 ] ; [ "E" ; 14 ] ; [ "F" ; 15 ] ) * 1 ; alert ) ) Click to copy

Hex2RGB function converts standard hex color codes (generally used in html web sites) into RGB. Hex color codes is form of 6 or 7 (with #) characters. R is first two characters in hex format, G is next two characters in hex format and B is last two characters in hex format. For example "#FF00AA" is converted as decimal RBG as following : (171;205;239)

 

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