Light blue and grey color scheme for Google Maps, inspired by MapBox's default map color. Preview: http://cl.ly/image/173w0X2T3o05/o

gm_colors.js

[
    {
        "featureType": "water",
        "stylers": [
            {
                "saturation": 43
            },
            {
                "lightness": -11
            },
            {
                "hue": "#0088ff"
            }
        ]
    },
    {
        "featureType": "road",
        "elementType": "geometry.fill",
        "stylers": [
            {
                "hue": "#ff0000"
            },
            {
                "saturation": -100
            },
            {
                "lightness": 99
            }
        ]
    },
    {
        "featureType": "road",
        "elementType": "geometry.stroke",
        "stylers": [
            {
                "color": "#808080"
            },
            {
                "lightness": 54
            }
        ]
    },
    {
        "featureType": "landscape.man_made",
        "elementType": "geometry.fill",
        "stylers": [
            {
                "color": "#ece2d9"
            }
        ]
    },
    {
        "featureType": "poi.park",
        "elementType": "geometry.fill",
        "stylers": [
            {
                "color": "#ccdca1"
            }
        ]
    },
    {
        "featureType": "road",
        "elementType": "labels.text.fill",
        "stylers": [
            {
                "color": "#767676"
            }
        ]
    },
    {
        "featureType": "road",
        "elementType": "labels.text.stroke",
        "stylers": [
            {
                "color": "#ffffff"
            }
        ]
    },
    {
        "featureType": "poi",
        "stylers": [
            {
                "visibility": "off"
            }
        ]
    },
    {
        "featureType": "landscape.natural",
        "elementType": "geometry.fill",
        "stylers": [
            {
                "visibility": "on"
            },
            {
                "color": "#b8cb93"
            }
        ]
    },
    {
        "featureType": "poi.park",
        "stylers": [
            {
                "visibility": "on"
            }
        ]
    },
    {
        "featureType": "poi.sports_complex",
        "stylers": [
            {
                "visibility": "on"
            }
        ]
    },
    {
        "featureType": "poi.medical",
        "stylers": [
            {
                "visibility": "on"
            }
        ]
    },
    {
        "featureType": "poi.business",
        "stylers": [
            {
                "visibility": "simplified"
            }
        ]
    }
]

@adamkrogh sure, go for it!