text: export function colorize(pixels, option) {
    const data = pixels.data
    const length = data.length
    const hex =
      option.color.charAt(0) === '#' ? option.color.substr(1) : option.color
    const colorRGB = {
      r: parseInt(hex.substr(0, 2), 16),
      g: parseInt(hex.substr(2, 2), 16),
      b: parseInt(hex.substr(4, 2), 16)
    }
  
    for (let i = 0; i < length; i += 4) {
      data[i] -= (data[i] - colorRGB.r) * option.amount
      data[i + 1] -= (data[i + 1] - colorRGB.g) * option.amount
      data[i + 2] -= (data[i + 2] - colorRGB.b) * option.amount
    }
  
    return pixels
  }
  