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Derwent Lightfast FAQs

Derwent Lightfast pencils

100% lightfast for up to 100 years, oil based for exceptional layering and colour mixing. Interested in trying out our Lightfast pencil range but you have some questions?

Read our FAQs below to find out more information on these amazing pencils. 

  • Are all the Derwent Lightfast pencils 100% lightfast?
  • Are the Derwent Lightfast pencils Vegan friendly?
  • How many colours are in the Lightfast range?
  • Is Derwent Lightfast oil or wax-based?
  • Are Derwent Lightfast pencils 100% oil-based?
  • Can fixatives be used with Derwent Lightfast?
  • Can Derwent Lightfast pencils be mixed with water?
  • Can Derwent Lightfast pencils be used with oil mediums?
  • Can I use Derwent Lightfast with my other Derwent pencils?
  • What sharpener should I use with Derwent Lightfast pencils?
  • Can bloom occur with Derwent Lightfast pencils?
  • What is Lightfast and Lightfastness?
  • How will I know the Lightfastness rating of my Derwent Lightfast pencils?
  • How long does Derwent Lightfast last?
  • Are LFII colours Lightfast?
  • How does the Derwent Lightfast range differ from other Derwent pencils?
  • Are the colours the same as other Derwent pencil ranges?
  • Who created the artwork for the Derwent Lightfast tins?
Are all the Derwent Lightfast pencils 100% lightfast? Chevron Icon

Following extensive testing, we can confirm that all 100 colours in the Lightfast range are 100% lightfast, meaning they are lightfast for up to 100 years (under museum conditions).

Are the Derwent Lightfast pencils Vegan friendly? Chevron Icon

Yes all 100 colours are vegan friendly.

How many colours are in the Lightfast range? Chevron Icon

There are 100 pencils in the Lightfast range.

Is Derwent Lightfast oil or wax-based? Chevron Icon

Derwent Lightfast is an oil-based pencil with an opaque, vibrant laydown. It can be used with oil mediums to create paint-like effects. The oil-based core allows for amazing blending and layering possibilities.

Are Derwent Lightfast pencils 100% oil-based? Chevron Icon

Our Lightfast pencils are a unique blend of oils and waxes. They are not 100% oil-based but are an oilier blend, so can be classed as an oil-based pencil.

Can fixatives be used with Derwent Lightfast? Chevron Icon
Fixatives can be used with oil-based pencils and do not ‘damage’ the pigment, however it can affect Lightfastness. We always advise testing fixative yourself in a small area of your drawing first as fixatives can dull colours.
Can Derwent Lightfast pencils be mixed with water? Chevron Icon

No, Derwent Lightfast pencils are not water-soluble so cannot be mixed with water. As an oil-based pencil they can be mixed and thinned on the page with a solvent based medium just as with oil paints.

Can Derwent Lightfast pencils be used with oil mediums? Chevron Icon

Yes they can and you can create interesting paint-like effects on the page. We would recommend non-toxic solvents like Zest-it.

Can I use Derwent Lightfast with my other Derwent pencils? Chevron Icon

Yes, Derwent’s Lightfast range has been formulated to be compatible with other Derwent pencil ranges and can also be used with oil mediums and solvents. However, using Lightfast with any other pencils or media may affect the lightfastness levels.

What sharpener should I use with Derwent Lightfast pencils? Chevron Icon

Hand held blade sharpeners work well with Lightfast, providing the blade is sharp. Helical pencil sharpeners can be used but due to the softer, creamier core of the Lightfast pencils, the auto stop in a helical pencil sharpener doesn’t always detect when the pencil is sharp. Turn the handle a couple of turns and check your pencil point; repeat until happy

Can bloom occur with Derwent Lightfast pencils? Chevron Icon

Bloom can still occur on oil-based pencils due to the melting point and humidity. The best way to combat ‘bloom’ is to wipe away with a soft tissue and lightly spray with a fixative designed for coloured pencil use. Working in a non-humid environment will always prevent bloom.

What is Lightfast and Lightfastness? Chevron Icon

Lightfastness refers to the chemical stability of a pigment under long exposure to light. The Derwent Lightfast range has been tested according to the ASTM D6901 standard, which states that pencils with a rating of LFI and LFII are fully lightfast. All the Derwent Lightfast pencils fall into this category and when displayed under museum conditions will not fade for up to 100 years.

How will I know the Lightfastness rating of my Derwent Lightfast pencils? Chevron Icon

The colour and the lightfastness rating will both be displayed on the end of each Lightfast pencil, for easy reference.

How long does Derwent Lightfast last? Chevron Icon

Due to Derwent Lightfast's unique formulation and 100% lightfast rating, all colours will last over 100 years under museum conditions.

Are LFII colours Lightfast? Chevron Icon

Yes, the Derwent Lightfast range has been tested according to the ASTM D6901 standard, which states that pencils with a rating of LFI and LFII are fully lightfast.

How does the Derwent Lightfast range differ from other Derwent pencils? Chevron Icon

Derwent Lightfast features an oil-based, opaque and vibrant coloured core, that is 100% lightfast. You can get smooth, velvety laydown of colour and when mixed with oil mediums, the pencil colour can behave more like an oil paint.

Are the colours the same as other Derwent pencil ranges? Chevron Icon
The Lightfast range is based on the same hues within the other Derwent ranges however due to the amount of pigment in the Lightfast range the chroma is far richer and the colours will appear deeper than other colours with the same names in the other ranges.
Who created the artwork for the Derwent Lightfast tins? Chevron Icon

Derwent have worked with renowned coloured pencil artist, Jesse Lane, to produce this amazing piece of artwork for our tins.

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