Exploring the Color #4FB678

#4FB678 sits at 144° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 41% saturation and 51% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 79, 182, 120 produces a 8.29:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #4FB678 is a distant relative of CSS sea green — about 63 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