Exploring the Color #409569

#409569 sits at 149° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 40% saturation and 42% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 64, 149, 105 produces a 5.72:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.

In RGB space #409569 is a clear variant of CSS sea green — about 27 units away from #2E8B57. Designers reach for spring green hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades