Exploring the Color #578A7B

#578A7B sits at 162° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 23% saturation and 44% lightness, it reads as a softly muted, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 87, 138, 123 produces a 5.33:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.

In RGB space #578A7B is a clear variant of CSS dim gray — about 42 units away from #696969. Designers reach for spring green hues at this saturation when the brief calls for restraint and atmosphere, 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