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HexToRGB ( Hex ; RGorB )

Returns a decimal integer that represents a color obtained by converting standard 6 character hexadecimal input.

  Average rating: 4.2 (40 votes) Log in to vote

Jeremiah Small - Show more from this author Soliant Consulting, Inc. https://www.soliantconsulting.com

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

/* -------------------------- 9/13/2004 1.0 me@jsmall.us Returns an integer that represents a color obtained by converting standard 6 character hexadecimal input. If you pass any value to the RGorB param other than "R" or "G" or "B" the function will return the full spectrum decimal value. The RGorB parameter is a switch modifies the calculation to return only the red, green or blue decimal value of Hex. Hex = Hexadecimal input. Handles inputs containing leading/trailing spaces and/or # symbol. RGorB = Switch that determines the spectrum of output ( "R" = red; "G" = green; "B" = Blue; "RGB" or "0" or [not null] = RGB ). -------------------------- */ Let ( [ Boolean = Case ( RGorB = "B" ; 1 ; RGorB = "G" ; 1 ; RGorB = "R" ; 1 ; 0 ) ; Spectrum = Case ( RGorB = "B" ; 5 ; RGorB = "G" ; 3 ; 1 ) ; CleanHex = Trim ( Substitute ( Hex ; "#" ; "" ) ) ; HexInput = If ( Boolean = 1 ; Middle ( CleanHex ; Spectrum ; 2 ) ; CleanHex ) ; Character = Right ( HexInput ; 1 ) ; Length = Length ( HexInput ) ] ; ( Position ( "0123456789ABCDEF" ; Character ; 1 ; 1 ) - 1 ) + If ( Length > 1 ; 16 * HexToRGB ( Left ( HexInput ; Length - 1 ) ; 0 ) ) ) Click to copy

Returns an integer that represents a color obtained by converting standard 6 character hexadecimal input.
If you pass any value to the RGorB param other than "R" or "G" or "B" the function will return the full spectrum decimal value.
The RGorB parameter is a switch modifies the calculation to return only the red, green or blue decimal value of Hex.

Hex = Hexadecimal input. Handles inputs containing leading/trailing spaces and/or # symbol.

RGorB = Switch that determines the spectrum of output ( "R" = red; "G" = green; "B" = Blue; "RGB" or "0" or [not null] = RGB ).

 

Comments

		Nick Lightbody, Deskspace Systems Limited Aug 28, 2016
Just a quick thanks Jeremy, you donated this many years ago and today it very neatly solved a problem for me. Cheers, Nick

		Math, Paris, France Aug 22, 2017
Exactly what I search. it's works well, Thanx.

		Tom Guise, Smart Wolf Apr 4, 2022
Thanks Jeremiah! I'm using this to covert Hex to the RGBA format required for Javascript charts using Chart.js as follows (incase it's useful for anybody else reading this): // Requires: HexToRGB // https://www.briandunning.com/cf/115 Let ( [ R = HexToRGB ( Hex ; "R" ) ; // Red G = HexToRGB ( Hex ; "G" ) ; // Green B = HexToRGB ( Hex ; "B" ) ; // Blue A = 1 // Alpha ] ; "rgba(" & R & "," & G & "," & B & "," & A & ")" )

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