HTML TUTORIALS
Online Tool: CSS Gradient Tool
This CSS Gradient Tool is designed to create a smooth transition between two or more colors, resulting in a range of blended colors. Users can easily see the base colors as well as the various shades that fall in between.
See Also:
Color Selector
Color Format Converter
px-pt-%-rem Units Calculator
HTML Editor
Color Tint & Shade Generator
Color Scheme Designer
References: