Exploring the Color #63B156

#63B156 sits at 111° on the color wheel, placing it in the green family of the cool half of the spectrum. With 37% saturation and 52% lightness, it reads as a softly muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 99, 177, 86 produces a 7.95:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #63B156 is a distant relative of CSS olive drab — about 62 units away from #6B8E23. Designers reach for 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