Robin's Egg Blue (CS) — Robin’s Egg Blue (CS) belongs to the green-blue-gray family, which is a muted, greyish blue-green shade. The RGB values of (158, 170, 158) show a balanced combination of red, green, and blue, with the green component being slightly higher, creating the characteristic greenish-gray hue. This specific shade is known as "Resene Robin Egg Blue" and is described as both grey and blue, a collaboration of hues.