Default values to populate regions with.

planetGen_regionSet.cs

void DefaultRegions()
{
    // Create regions

    // Sea
    AddRegion("Sea", Color.FromRgb(64, 126, 150), 115);
    // Low Water
    AddRegion("Low Water", Color.FromRgb(81, 173, 168), 125);
    // Beach
    AddRegion("Beach", Color.FromRgb(255, 189, 84), 130);
    // Forest
    AddRegion("Forest", Color.FromRgb(22, 98, 44), 190);
    // Mountains
    AddRegion("Mountains", Color.FromRgb(95, 67, 48), 220);
    // Peak
    AddRegion("Peak", Color.FromRgb(59, 60, 68), 240);
    // Snow
    AddRegion("Snow", Color.FromRgb(200, 200, 220), 256);
}

Region AddRegion(string regionName, Color baseColor, double topRange)
{
    Region region = new Region();
    region.name = regionName;
    region.baseColor = baseColor;
    region.range = new double[2] { 0.0, 255.0 };

    if (_regions.Count == 0)
    {
        region.range[0] = 0.0;
        region.range[1] = topRange;
    }
    else // If this is not the first region set the starting range value to the previous region's range end value.
    {
        region.range[0] = _regions[_regions.Count - 1].range[1];
        region.range[1] = topRange;
    }

    _regions.Add(region);

    return region;
}