Exploring the Color #177B45

#177B45 sits at 148° on the color wheel, placing it in the spring green family of the cool half of the spectrum. With 68% saturation and 29% lightness, it reads as a richly saturated, shadowed tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 23, 123, 69 produces a 5.31:1 contrast ratio against white, which clears WCAG AA for body text in that pairing.

In RGB space #177B45 is a clear variant of CSS sea green — about 33 units away from #2E8B57. 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

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