Blend two hexes

blend.js

function blendHex(hex1, hex2, steps) {
  var rgb1 = {
    r: parseInt(hex1.slice(1,3), 16),
    b: parseInt(hex1.slice(3,5), 16),
    g: parseInt(hex1.slice(5,7), 16)
  }
  var rgb2 = {
    r: parseInt(hex2.slice(1,3), 16),
    b: parseInt(hex2.slice(3,5), 16),
    g: parseInt(hex2.slice(5,7), 16)
  }
  
  var add = {
    r: rgb2.r - rgb1.r,
    g: rgb2.g - rgb1.g,
    b: rgb2.b - rgb1.b
  }
  
  var result = [];
  for (var i = 0; i < steps; i++) {
    var newColor = {
      r: rgb1.r + Math.round(add.r / steps) * i,
      g: rgb1.g + Math.round(add.g / steps) * i,
      b: rgb1.b + Math.round(add.b / steps) * i
    }
    result.push("#" + ((1 << 24) + (newColor.r << 16) + (newColor.b << 8) + newColor.g).toString(16).slice(1));
  }
  
  return result;
}