ruby - Generate hex numbers based on percentage -

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I see a way to generate gradual hexadecimal color based on ruby ​​with a percentage. 

  0% = # 6da94a 50% = # decc30 100% = # ce2d4a   
 Then programmatic hexadecimal values ​​are generated between those people.  
 So I have something like  percent_to_hex (10)  and that the hexadecimal value exceeds 10% with gradient gradient between 0% (green) and 50% (yellow) Will go   
 
 
 In fact, Trailston's answer is a minor mistake.  
  (x + percent * 100 * (y - x)). Goal should be converted to   
:  
  (X + percent / 100.0 * (Y - x)). Goal   
 In addition to  i.to_s (16)  will be a problem if you have 0 255), as you can get the result like "ff0ff" I recommend using  "% 02x"% i  instead.  
 This is an absolute example:  
  def percent_ to_hex (percent, start, stop)) color = [start, stop]. C. C.scan (/../). Map {| S | S.to_i (16)} end color_ int = colors.transpose.map do | X, y | (X + percent / 100.0 * (Y - X)). Round end colors_int.map {| I | "% 02x"% i} End ("") end

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