Lighting’s Effect on Mood

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Our lives can often feel very hectic and busy, particularly since the introduction of smart phones and the ‘always connected’ mantra we now have. This often causes us to neglect one very crucial aspect in our lives, our mood.

How Lighting Affects Your Mood

There are many contributing factors that affect your mood and it’s almost impossible to list them all, but here at Lyco we took a look to see exactly how light can affect your mood through your average working day.

From using F.lux on your phone to a SAD florescent tube at work there are a range of tools and activities that can help your everyday wellbeing, so take a look below and see what you could do to help live a happier lifestyle.

For a visual explanation of how lighting can affect your mood simply click here or on our infographic below.
Are you looking for more lighting news, inspiration, or information? Check out our Lighting Advice

Charles Barnett Managing Director

Charles started Lyco in 1995 with just 4 enthusiastic employees and has grown it considerably over the past 25 years. Charles is also the Managing Director of Lighting Direct and newly acquired Online Lighting. He now has a team of 50 lighting experts working on growing Lyco Group to be the UK leader in lighting for both businesses and homes. Away from the office he is a keen cyclist and is proud to have cycled 1017 miles from Lands End to John O’Groats to raise money for a new residential centre for adults with multiple learning difficulties.

Daylight Tubes Explained

Daylight tubes are fluorescent lamps that emit light with a natural daylight colour. Daylight seems neutral to our eyes, especially in the middle of the day, but in fact it’s a cool bluish white. It has a colour temperature of between 5000K and 6500K. The higher the figure along the kelvin (K) scale, the cooler or bluer the light is. Most daylight bulbs and tubes are rated at around 6500K.

Daylight benefits

A chief benefit of using daylight tubes is that the light looks brighter and more natural than other artificial lighting and is less likely to cause eyestrain. Cool white light also increases alertness and concentration, making it ideal for offices and schools. It’s a good choice for high productivity and exam success. You’ll find it in city cafés, too, where fast customer turnaround is needed.

An example of how light colour affects us is seen in a computer screen. This is effectively a 6500K light that upsets sleep patterns if used late at night. The reason we have warmer lights in the home, generally, is that they help us unwind at the end of each day. Daylight is for our busier times.

Daylight tubes v SAD tubes

You can think of SAD tubes as enhanced daylight tubes. They’re used to help or prevent Seasonal Affective Disorder: a form of depression caused by lack of exposure to daylight.

Like regular daylight tubes, SAD tubes emit a daylight coloured light, but they are more consistent at bringing out natural colours in surrounding items. This superior colour rendering also makes them useful in settings such as art studios, photo labs or print shops.

Tube sizes

The most popular fluorescent tube sizes are the T5 and T8. The ‘T’ tells you the lamp is tubular, and the digit indicates the tube’s width in eighths of an inch (e.g. the T8 has a 1” diameter).

Fluorescent tubes generally increase in energy efficiency the thinner they get, to the extent that some compete with LED technology. You can see that in the G.E. 28W High Efficiency T5 Daylight Tube, which produces an impressive 87.5 lumens of light per watt.

T8 tubes are popular partly because they replace phased-out T12 tubes in older fittings. The two use identical caps for connection. To extract the best possible performance and lifespan from a T8 tube, modern high-frequency (HF) fittings are recommended.

Positive light

Poor lighting is dismal in a home and creates a downcast mood in a workplace. Daylight tubes or SAD tubes produce lots of natural-looking light for work or pastimes and will put you in a better place. They’re also cheap to buy and run.

Why not take a look at our current range of daylight tubes.

For more advice, inspiration and news take a look at our Lighting Advice section.


Andrew Evangelidis Head of Buying

Andrew is an experienced buying professional who takes an entrepreneurial approach to identify new lighting solutions and ensure Lyco have first-to-market ranges for our customers. Having previously worked for well known brands such as Wickes, Carphone Warehouse and Toys R Us, Andrew has now turned his hand to sourcing commercial lighting and ensure our customers receive top brand quality products at marketing leading prices. He manages a team of commercial and decorative buyers who travel the world finding new products that our customers don’t even know they need yet.