
WE DESIGN
WITH LIGHT
NOT LAMPS.
CALUMENO is an architectural lighting studio. We turn concrete, glass and darkness into emotion — museums, hotels, homes and cities that breathe after sunset. 340+ spaces lit on 4 continents.

Rotterdam · Lisbon · Kyoto
LIGHT IS OUR MATERIAL. DARKNESS — OUR CANVAS.
The name Calumeno comes from lumen — light. Since 2014 we research how photons shape sleep, focus, desire and memory. We don't sell fixtures. We compose atmospheres that make people stay, feel and return.
- ◍Human-centric. 2700K–5000K circadian scenarios, glare < UGR 16, flicker-free drivers. Light that respects biology.
- ◍Radically sustainable. 98% recyclable systems, daylight harvesting, sensors that cut consumption by up to 72%.
- ◍Art + engineering. Own prototyping workshop: brass, opal glass, mycelium diffusers, 3D-printed optics.
- ◍From sketch to switch. Concept, DIALux & VR simulation, custom luminaires, on-site tuning at night.
Founded by architect Mara Calu and light artist Jonas Meno. Today 24 designers, engineers and choreographers of photons. Clients: Aesop-like retail, boutique hotels, galleries, city councils and private villas who hate ceiling spots.
Darkness first
We design shadows before light. Contrast creates depth, intimacy and luxury.
Daylight obsessed
Light shelves, heliostats and atriums — free photons before electric ones.
Timeless glow
No trendy strips. Systems that look perfect in 2036, not just on Instagram.
LIT SPACES THAT PEOPLE REMEMBER
Each project is tuned on site, at night, with dimmers in hand. No render tricks — only real lux, real skin tones, real goosebumps.

Nômade Lobby — 2200K embrace
Alabaster pendants + hidden coves. Check-in feels like sunset.

Archeo Vault — shadow choreography
Trackless museum: only objects glow, walls disappear.

House of Mist — circadian villa
Daylight tunnels + evening amber. Melatonin-friendly luxury.

PULSE 1.2 — 40m light tunnel
Interactive neon fog. 180k visitors, 0 bulbs changed.

North Light HQ — daylight first
-62% energy. Staff report +31% focus.

Braise — fire without fire
Brass + opal + candle flicker algorithm.
FULL SPECTRUM FROM IDEA TO DIMMER
Architectural lighting design
Concept, calculations, luminaire schedules, control scenarios KNX/DALI. For architects who want drama without glare.
Daylight & wellbeing
Climate-based daylight modelling, circadian audits, WELL v2 Light credits, shade + glass optimization.
Custom luminaires
Calumeno Atelier builds one-off pieces: blown glass, stone, recycled aluminium. Prototyped in 2 weeks.
Light art & media facades
Festivals, facades, lobbies that react to sound, wind and people. From poetic glow to full RGB mapping.
NIGHT TESTS, NOT PROMISES
Four steps. One rule: we never hand over a project we haven't seen glowing in darkness.
Listen in dark
We visit at night. Measure, photograph, interview. What should people feel here at 22:14?
Paint with lux
Moodboards, VR walkthroughs, 1:1 mockups. You see light before you pay for it.
Build & hide
Drawings, custom optics, hidden profiles. Technology disappears, atmosphere stays.
Tune till tears
Final aiming + programming on site. 2700 scenes? We'll dim them one by one.

We prototype every shadow
In our 400m² black box we test skin tones, stone textures and art under 12 different spectra before specifying a single fixture.

2 a.m. is our favourite meeting
Cities reveal truth at night. We aim, dim, walk, repeat — until a security guard says “wow”.
NEWS, RESEARCH & GLOW LOGIC
Circadian science, behind-the-scenes, failures and breakthroughs. The diary of people obsessed with photons.

Why 2700K makes restaurants 23% cozier
Our latest field study is being edited. Check back tomorrow.
Stay tuned →

QUESTIONS IN THE DARK?
LET'S MAKE YOUR SPACE GLOW.
Rotterdam · Lisbon · Kyoto — working worldwide. hello @ this domain · reply in 24h. Or leave your brief: