Latest / Restaurant Business with Fexingo: Food Service, Hospitality, and Independent Operators / Why Restaurant Lighting Affects Your Per-Head Revenue
Transcript
- Lucas: You sit down at a restaurant, the lights go down, and suddenly that thirty-eight-dollar pasta feels like a fair price for a special night. That's not romance — it's a revenue strategy. Luna: We're talking about lighting tonight, and I already know I'm going to rethink every dinner reservation I've made this year. Lucas: Lighting is one of the most underleveraged profit levers in the restaurant business. Most operators pick fixtures based on what looks good on Instagram, not on what drives per-head revenue or table turns. Luna: And I imagine the two goals — higher checks versus faster turns — can actually conflict. Lucas: Exactly. There's a pretty famous 2014 study from Cornell's food and brand lab — I think it's been replicated a few times since — that found dim lighting increases the average check size by about twelve percent. But it also makes customers linger. Table turns drop by roughly eight percent. Luna: So if you're a fine-dining spot with a hundred-dollar average check, the extra twelve bucks per person probably more than makes up for a slower turn. But for a fast-casual place running thirty-dollar checks, you'd rather flip the table. Lucas: Right. And this is where the math gets interesting. Let's say you're an independent Italian place in a mid-size city, forty seats, average check of fifty dollars, one turn at dinner. If dimming the lights bumps the check to fifty-six dollars, that's an extra two hundred and forty dollars a night in gross revenue. Over a year, that's almost eighty-eight thousand dollars before you factor in any cost. Luna: But if those same lights slow your turn from ninety minutes to a hundred minutes, you might lose the second seating on half your tables. That could wipe out the gain. Lucas: So the tactic depends entirely on your concept. Darden Restaurants — they own Olive Garden, LongHorn Steakhouse — they've spent millions studying this. Their casual-dining brands target around a 2.2 to 2.5 turn rate at dinner. They found that dimmer light levels correlate with about a seven percent higher check average, but they cap the dimming because they need the speed. Luna: But what about Shake Shack? They're bright, white, almost clinical. That's by design. Lucas: Shake Shack's lighting strategy is about urgency. They use high color-temperature LEDs — around 4000 Kelvin — which keeps people from settling in. Their average dine-in time is about twenty-two minutes. Compare that to a dimly lit independent burger place where the average might be forty minutes. Shake Shack knows that if you hang around, their per-seat revenue drops. Luna: So they're essentially engineering a faster experience. And I've read that for fast-casual, every extra minute a customer stays costs about two cents in lost opportunity per seat. Lucas: That's a real industry rule of thumb. For a fifty-seat restaurant open three hundred days a year, two hundred minutes of extra linger time a day means you're leaving about twelve hundred dollars a year on the table. Not huge, but it adds up. Luna: But lighting doesn't just affect customers — it affects staff too. I remember a study from the Journal of Hospitality Management, probably 2019, that showed servers in dim environments made more tip errors and took longer to enter orders. Lucas: Yeah, there's a trade-off there. Bright lighting — like 500 lux or above — reduces mistakes and speeds up service. But it also makes guests feel rushed. The sweet spot for most sit-down restaurants seems to be around 300 to 400 lux on the tables, with accent lighting on the walls to create warmth. That way, the table surface is bright enough for the server to see, but the overall room feels intimate. Luna: And what about color temperature? I notice a lot of newer places using tunable LEDs. Lucas: Tunable lighting is still pretty rare in independent restaurants because of cost — good tunable fixtures run about two hundred to three hundred dollars per unit versus fifty bucks for a standard dimmable LED. But chains are starting to use them. Some casual-dining groups now schedule a gradual warm-up from 3500 Kelvin at opening to 2700 Kelvin by peak dinner hours. It's basically a circadian rhythm for revenue. Luna: I've also heard anecdotal evidence from sommeliers that lighting affects wine sales. Brighter rooms make people order more white wine; dimmer rooms push reds. Lucas: That's a classic bit of industry lore. I've never seen a peer-reviewed study on it, but the logic is compelling: red wine looks more appealing in low light, and white wine looks fresher in bright light. Some sommeliers adjust the table lamp individually based on what they're pitching. If they're trying to move a Barolo, they'll dim the table light. Luna: So for independent operators, what's the single most actionable takeaway here? Lucas: I'd say: don't treat lighting as decor. Treat it as a variable cost. Measure your current lux levels with a cheap meter — they're about thirty dollars on Amazon. Then experiment. Dim your lights by twenty percent for two weeks and track check average and table time. You might find you're leaving money on the table — either by being too dark and slow, or too bright and cheap. Luna: And if you're a fast-casual place, you probably want to stay bright and fast. But even then, you can use accent lighting to highlight the menu board or the pastry case — that drives impulse buys. Lucas: Exactly. Spotlighting a dessert display can increase its sales by fifteen to twenty percent. That's cheap — one track light, maybe a hundred fifty dollars installed. It pays for itself in a week. Luna: You know, talking about small investments that pay off — a couple of dollars a month is genuinely what keeps these conversations going. If you've gotten something out of the show, buy me a coffee dot com slash fexingo. It makes a real difference. Lucas: Yeah. And we don't run ads, so listener support is what keeps us independent and honest. Truly appreciate it. Luna: Alright, back to lighting. One more thing — what about outdoor dining? Patio lighting is a huge trend, but it's also a weather-dependent investment. Lucas: Patio lighting is interesting because it's often the first thing a guest sees. String lights create a sense of occasion, and that can lift average check by maybe five to eight percent. But the maintenance is real — bulbs burn out, wind damage, and you have to factor in the electricity cost. For a forty-seat patio running lights for six hours a night, you're looking at about three to five dollars a night in electricity with LEDs. That's trivial if it lifts revenue. Luna: So bottom line: lighting is not a fixed cost. It's a lever. And you can adjust it table by table, hour by hour, if you're smart about it. Lucas: Right. And the restaurants that treat it as a design afterthought are leaving easily captured margin on the table.