The HSL model stands for Hue, Saturation, and Lightness. In this model, hue is a bit like a base color (red, orange, etc.) while saturation approximates that color’s intensity, and lightness describes ...

Your Tumblr theme sets the background color of each of your posts. Tumblr also offers you the option to edit your theme to further customize your design. For example, you can change your posts ...