Green’s HEX code is #008000. It sits at hue 120 — the exact center of the green section on the color wheel — with 100% saturation and 25% lightness, giving it the depth and authority of a primary brand color while keeping the natural, growth-oriented associations green is known for. Below you get every green code format, the five computed harmony palettes, and exact WCAG contrast ratios. Every value is computed from the hex, so you can drop the numbers into your design tokens. What Is the Color of Green? Green is the CSS named color green, mapped to #008000. Its RGB is rgb(0, 128, 0) — only the green channel is active, at exactly half its maximum. Unlike lime (#00FF00), web green is darkened enough to work as a primary color rather than a signal. Green carries the strongest nature associations of any color: growth, health, success, and go.