[pk_blackorwhitefromhex]

Description

Takes an arbitrary hexadecimal background colour value and returns "black" or "white" as the most suitable font colour to be used against this background. Requires [pk_hextorgb]

Sample Usage

pk_blackorwhitefromhex('a70e13');
-> 'white'

Source Code

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//  Takes an arbitrary hexadecimal background colour value and returns "black" or "white" as the most suitable font colour to be used against this background.
//  Requires [pk_hextorgb]
define_tag('blackorwhitefromhex',     
    -namespace='pk_',    
    -required='color');    
    local('output'='black');        
    local('tmparray'=((pk_hextorgb(#color))->split(' ')));
    local('i');
    local('value'=integer);
    iterate(#tmparray, #i);
        #value += (integer(#i));
    /iterate;
    ((#value / 3) < 128) ? #output = 'white';
    return(@#output);
/define_tag;

Related Tags

• pk_hextorgb

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