So for this to work, you need to go back through my question and make sure you have answered all of them the best you can. Is the electrical outlet for the counter space going to be right next to the switch, or is it that blurred spot that I see in the picture, . If your walls are Travertine marble, and there are not already electrical boxes in the exact location the lights go, we are going to have a hard time. If a 30" vanity goes in the corner, and you leave 5" on each side for the lights, that leaves a 20" mirror with one light jammed tight into the corner. So if we leave another inch on both sides, for clearance, that leaves 18" mirror. If you put a 3" frame around the mirror mirror, that only allows for 12" of actual mirror. I don't think that is enough mirror. Your bath is too narrow for a mirrored cabinet with built in lights unless it is recessed into th wall. The plumbing is probably in the way for that. Give me your thoughts on what I have just said, and then go back and answer all my questions. Then we can take it from there with a narrower down and focused search.

You are going to have to leave your comfort zone on this one. Walnut is "brown", you have "pink" as a counter top. I would suggest going with another version of the colours already in the room. you have gray/beige and white. I would hesitate going white...but it can be done. You can move into the grays and be very happy (it would look very modern) or you can move into a beige that holds a hint of pink in it (not pink...but a blush of warmth). Or you could go really wonky and add in something like a brushed stainless steel look to the cabinets and have it go "space age". There are specs of blue/gray in this counter top. The next think to look at is an "ashwood" or dark gray wood presentation that has some blue in it. It would lighten the space yet still add drama that dark cabinetry offers.

These things are generally a matter of making the whole picture work -- one setup could look better with white blinds, another with dark or bright. But I must say the mention of orange with grey and brown makes me smile.

I suggest you follow the step-by-step guide for creating storage cabinets under the bathroom sink. Take proper measurements - Measure the available available space in height, width and height. Cut Plywood to size - With a circular saw and framing square, cut all the required pieces out. You can use a sliding compound saw as an alternative. Attach the base and sides - Start assembling the sink cabinets by placing the bottom piece of plywood sheet on a flat surface. Attach the back and top boards - Place the plywood sheet for the top part of the cabinet and attach wood screws to connect it to both the sides. Turn the back faces of the cabinet upwards. Keep the back piece over the structure and fix it into place with wood screws. Attach shelves - Place the cabinet in an upright position to install the shelves. Slide a shelf into the structure so it is flush against the back. Attach door - Keep both hinges of the door on the same side of the plywood sheet. Drill them using wood screws into place. Now keep the door over the cabinet structure, extend the hinges to one of the side panels and fix them to make them secure. Fix a hasp closure on the other side of the door, placing it in the center of the hinges.