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Manual Reference Pages  - closest_color_name (3)

NAME
closest_color_name(3f) - [M_color] returns the closest name for the given RGB values. (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Returns
Example
Author
License

SYNOPSIS
subroutine closest_color_name(r,g,b,closestname) 

    real,intent(in)               :: r,g,b
    character(len=20),intent(out) :: closestname

DESCRIPTION
closest_color_name() returns the closest name for the given RGB values. Most X11 Windows color names are supported.

OPTIONS
R red component, range of 0 to 100
G green component, range of 0 to 100
B blue component, range of 0 to 100

RETURNS
CLOSESTNAME
  name of color found closest to given RGB value</li>

EXAMPLE

Sample program 

   program demo_closest_color_name
   use M_color, only : closest_color_name
   character(len=100) :: string ! at least 20 characters
      string=’ ’


      call closest_color_name(100.0,  0.0,  0.0,string)
      write(*,*)trim(string)


      call closest_color_name(  0.0,100.0,  0.0,string)
      write(*,*)trim(string)


      call closest_color_name(  0.0,  0.0,100.0,string)
      write(*,*)trim(string)


   end program demo_closest_color_name
Results: 

   red
   green
   blue

AUTHOR
John S. Urban

LICENSE
Public Domain

closest_color_name (3) March 11, 2021
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