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(As this site is based in the UK, we’re using the British spelling ‘Colour’)
Primary Colours of Light
The primary colours of light are red, green and blue.
The secondary colours of light are cyan, magenta and yellow.
Additive Colour Mixing
Using two lanterns with different colours, focussing onto the same area
COMING SOON – VIDEO DEMONSTRATION
Subtractive Colour Mixing
Using two gels in the same lantern OR mixing secondary colours in a moving light.
COMING SOON – VIDEO DEMONSTRATION
Using Colour to Light Actors
Using Warm and Cold Gels
This is a commonly used method for ensuring the lighting state looks interesting and natural. Having a single colour washing the whole stage can look flat, and can use a lot of lanterns. By using a warm (rose / pink / straw / yellow) from one side, and a cold (blue / lavender) from the other side, mixing additively, the state looks good, and a wide variety of different moods can be created by varying the relative intensities of the warm and cold lanterns. Colours such as lavender can act as a neutral balance, and can look either warm or cold, depending on the other lighting on stage.
Using a single colour to wash a whole stage can be a striking effect, however, the stage picture can lack dimension. Using two similar colours can help to add interest, and contrasting colours can tell a completely different story.
COMING SOON – VIDEO EXPLORING COLOUR WASHES
Why do we need colour at all?
- Enhance the design
Colour choice can make or break the designer’s scenic or costume choices.
Although the reasons for choosing a particular gel are many, there are some basic rules which you can follow:
- Use pale colours for acting-area lighting (front lighting).
- Use deep colours for side- or back-lighting, or for special effect.
- Yellows and oranges are “warm” colours for sunny days or happy times.
- Pale blues are “cold” colours for less happy times.
- Lavenders are “neutral” colours and can appear warm or cold depending on the other colours in use at the time.
- Lanterns with no colour gels (“O/W” for “Open White” or “N/C” for “No Colour”) can appear warm due to the high colour temperature of the light source.
- Green shouldn’t be used as front light (unless you’re lighting a witch or evil character in a pantomime)
- When lighting the same space from two angles, use slightly different (or even contrasting warm and cool) colours to add interest and make the lighting look more dimensional.
- Darker skin tones respond to colour differently. Lavenders & pinks work better on dark skin than straw / yellow.
- As with everything in lighting, there’s absolutely no reason why you should follow any of these rules.
A selection of useful gels from the Rosco Supergel range can be found in the table below:
There are many different sizes of lanterns used in the theatre industry. All of them have their own sized colour frame (or gel holder). This is a metal or fibre frame which holds the colour gel firmly in place at the front of the lantern.
There are references online which tell you the size of the colour frame for a particular size and type of lantern.
Storing and Organising Gels
You can use a filing cabinet drawer to store cut gels, with suspension files for each colour.
Gels should be labelled using either a white paint marker or a chinagraph pencil.
PHOTO – FILING CABINET STORAGE