Exploring the Color #0D3D23

#0D3D23 sits at 148° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 65% saturation and 15% lightness, it reads as a richly saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 13, 61, 35 produces a 12.29:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #0D3D23 is a distant relative of CSS black — about 72 units away from #000000. 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 weight, depth, and grounded contrast. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades