But what color is indigo? Turns out, that's a big question. A mix of blue and purple — and affectionately known in the Livingetc office as 'blurple' — indigo sits on the color spectrum ...

The colors change as the wavelength increases from violet to indigo to blue, green, yellow, orange, red and deep red. As a light wave's length increases, its energy decreases. This means the light ...

HX Expeditions has introduced new fleet livery colors “Indigo Blue” and “Sand,” marking a key milestone in the continued ...