Exploring the Color #519731

#519731 sits at 101° on the color wheel, placing it in the chartreuse family of the neutral half of the spectrum. With 51% saturation and 39% 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 81, 151, 49 produces a 5.82:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.

In RGB space #519731 is a clear variant of CSS olive drab — about 31 units away from #6B8E23. Designers reach for chartreuse 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 balanced cast tends to pair best with either warm or cool accents depending on the surrounding palette.

Darkening Shades

Lightening Shades