code: def lab_to_rgb(l, a, b):
      
      
      
      y = (l+16) / 116.0
      x = a/500.0 + y
      z = y - b/200.0
      v = [x,y,z]
      for i in range(3):
          if pow(v[i],3) > 0.008856: 
              v[i] = pow(v[i],3)
          else: 
              v[i] = (v[i]-16/116.0) / 7.787
  
      # Observer = 2, Illuminant = D65
      x = v[0] * 95.047/100
      y = v[1] * 100.0/100
      z = v[2] * 108.883/100
  
      r = x * 3.2406 + y *-1.5372 + z *-0.4986
      g = x *-0.9689 + y * 1.8758 + z * 0.0415
      b = x * 0.0557 + y *-0.2040 + z * 1.0570
      v = [r,g,b]
      for i in range(3):
          if v[i] > 0.0031308:
              v[i] = 1.055 * pow(v[i], 1/2.4) - 0.055
          else:
              v[i] = 12.92 * v[i]
  
      #r, g, b = v[0]*255, v[1]*255, v[2]*255
      r, g, b = v[0], v[1], v[2]
      return r, g, b
docs: Converts CIE Lab to RGB components.
      
      First we have to convert to XYZ color space.
      Conversion involves using a white point,
      in this case D65 which represents daylight illumination.
      
      Algorithms adopted from:
      http://www.easyrgb.com/math.php