Gifs are an indexed color file format. By being indexed color it means they only go up to 256 colors which is far from the 16.7 million colors of RGB.
But because you have so few colors it brings the size of the image down a great deal. Even within these two indexed color Gif images to the left the sizes are different.
The Bottom one has 200 different colors while the top only has 6. This means the top image has a much smaller size, with the top image being 8kb and the bottom one being 30kb.
But because you have so few colors it brings the size of the image down a great deal. Even within these two indexed color Gif images to the left the sizes are different.
The Bottom one has 200 different colors while the top only has 6. This means the top image has a much smaller size, with the top image being 8kb and the bottom one being 30kb.
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