Exploring the Color #5BC489

#5BC489 sits at 146° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 47% saturation and 56% lightness, it reads as a moderately saturated, light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 91, 196, 137 produces a 9.70:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #5BC489 is a distant relative of CSS gray — about 78 units away from #808080. 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