We use essential cookies to run the site and optional analytics cookies to understand how you use it. Read our privacy policy.

Skip to content

40 New Anniversary Oil Colours - Now Available Explore Collections

Michael Harding
Yellow Benzimidazolone - Michael Harding
WatercolourPY151
PY151

Yellow Benzimidazolone

W224 · Series 2
WATERCOLOUR
Series 2
Yellow Benzimidazolone No. W224
PY151 Benzimidazolone Pigment

Yellow Benzimidazolone is a warmer, non-green shade yellow with some very interesting characteristics.

Technical Summary

Yellow Benzimidazolone is a single-pigment Michael Harding watercolour made with PY151.

It is semi-transparent, excellent lightfastness, non-granulating, medium staining power, tinting strength 3.

Code
W224
Series
Series 2
Pigment Index
PY151
Contents
15ml tube
Lightfastness
Excellent
Transparency
Semi-Transparent
Tint Power
3
Granulation
NO
Staining Power
Medium
Safety Data Sheets →
PY151 · Pigment History →
Colour Science

Measured colour data

Loading measured pigment data…

Pigment Behaviour

Tint · Tone · Shade · Glaze

Preview how Yellow Benzimidazolone behaves when mixed, toned, shaded and glazed. Each swatch is computed from the masstone using a perceptual subtractive model - an approximation for guidance, not a formulation guarantee.

Masstone swatch
Masstone
L 91.01 · a -2.23 · b 97.01
6.19Y 9.0/13.9

Yellow Benzimidazolone straight from the tube.

Undertone
#fefcc5

A thin wash over white.

Tint
#faf148

Mixed with Titanium White.

Tone
#bbb332

Mixed with a mid neutral grey.

Shade
#948c11

Darkened with a chromatic black.

Glaze
#fefa9d

A thin transparent film over white.

Compare Yellow Benzimidazolone

Compare with nearby colours

See Yellow Benzimidazolone side-by-side with its closest neighbours in the range — chemistry, opacity and lightfastness at a glance.

Warm Light YellowW104Warm YellowW105Lemon YellowW108
Mix with Yellow Benzimidazolone

Popular combinations

Open Yellow Benzimidazolone in the Virtual Mixing Studio to preview how it combines with these partners before you reach for the palette.

Ultramarine Violet→ green rangeCadmium Red Light→ orange rangeBurnt Umber→ earth range
Open Yellow Benzimidazolone in Mixing Studio
Find a Stockist
Back to colours
Where to buy

Yellow Benzimidazolone

Available from 113 verified stockists worldwide

Store locator
Related

More watercolours

Cobalt Teal - Michael Harding

Cobalt Teal

W303
Cobalt Teal Blue Shade - Michael Harding

Cobalt Teal Blue Shade

W304
Rose Dore - Michael Harding

Rose Dore

W305
Perrindo Maroon - Michael Harding

Perrindo Maroon

W306
Yellow Benzimidazolone: Questions & Answers

What pigment is used in Yellow Benzimidazolone?

Yellow Benzimidazolone is made with PY151.

Is Yellow Benzimidazolone a single-pigment colour?

Yes. Yellow Benzimidazolone uses a single pigment (PY151), so its behaviour stays consistent and predictable on the palette.

Is Yellow Benzimidazolone transparent or opaque?

Yellow Benzimidazolone is semi-transparent.

Is Yellow Benzimidazolone lightfast?

Yellow Benzimidazolone has excellent lightfastness.

Does Yellow Benzimidazolone granulate?

In watercolour, Yellow Benzimidazolone is non-granulating.

Does Yellow Benzimidazolone stain the paper?

Yellow Benzimidazolone has medium staining power.

Is Yellow Benzimidazolone vegan?

No. Michael Harding watercolours contain a small amount of honey, so the finished paint is not vegan.

Artist Reviews

No reviews yet - be the first to share your experience with this colour.

Colour Disclaimer: Colours shown on screen or in print may vary from the actual product. For the most accurate representation of colour, texture and finish, we recommend viewing a physical sample or swatch in person before making your final selection.

Michael Harding

Featured Colour

Cobalt Teal Blue Shade - Michael Harding

Cobalt Teal Blue Shade

W304 · Series 3

View details →

Handmade in the UK · Since 1982

Follow @mhpaints (Oil) · @mhwatercolours (Watercolour)

Explore
Learn & Discover
About & Support
Useful Links

Product Information & Disclaimer

The information provided on this website is based on research and testing conducted by Michael Harding Art Formulas Ltd and is intended as general guidance on the characteristics and potential uses of our products in established painting practices.

While we take care to provide accurate and reliable information, individual materials, techniques, working conditions and applications can vary. Michael Harding Art Formulas Ltd cannot guarantee that any product will be suitable for every individual purpose or application. Users should carefully read all product labels, instructions and safety information and carry out appropriate testing before use, particularly when developing individual techniques or combining materials.

To the fullest extent permitted by applicable law, Michael Harding Art Formulas Ltd makes no express or implied warranties as to merchantability or fitness for a particular purpose and accepts no liability for any loss or damage, including indirect or consequential loss, arising from the use or application of its products.

Colour Representation

Colours displayed on this website and in printed materials are for guidance only. Their appearance may vary depending on screen settings, device, lighting conditions, printing processes and other factors, and may therefore differ from the appearance of the physical product.

For the most accurate representation of colour, texture and finish, we strongly recommend viewing a physical product sample or swatch in person before making a final selection or purchase. Where colour accuracy is important, please do not rely solely on digital or printed representations.

© 2026 Michael Harding Handmade Artist Watercolours. All Rights Reserved.

PrivacyTermsBack to top