Opal (#A8C3BC) is a tranquil, blue-green hue that embodies the ethereal beauty of its precious gemstone namesake. This sophisticated color sits between green and blue on the color wheel, offering a perfect balance of nature's calming qualities and water's serenity.

With RGB values of 168, 195, 188, opal creates a soothing atmosphere that works beautifully in spaces designed for relaxation and contemplation. The color evokes the iridescent play-of-color found in precious opals, bringing a subtle dreamlike quality to any design.

Opal pairs harmoniously with mint green for a fresh, spa-like feel, or peach for warmth without overwhelming its gentle nature. For dramatic contrast, combine it with navy blue to create sophisticated, balanced palettes reminiscent of twilight skies.

In interior design, opal excels in bedrooms, bathrooms, and meditation spaces where its psychological properties promote tranquility and mental clarity. Its versatility makes it ideal for both modern minimalist designs and bohemian-inspired spaces, offering a timeless alternative to stark whites while maintaining an airy, light feeling.

Whether used as a primary wall color or accent shade, opal brings understated elegance and natural serenity to any space, making it a designer's secret weapon for creating peaceful, harmonious environments.