Blog preview card | React.js | Tailwind CSS

To get the correct colors, you should add inside theme in your tailwind.config.js (using the infos in the style-guide.md given):

   colors: {
      'yellow': "hsl(47, 88%, 63%)",
      'white': "hsl(0, 0%, 100%)",
      'gray': {
        500: "hsl(0, 0%, 42%)",
        950: "hsl(0, 0%, 7%)",
      },
    },