The RAL D4 Single Sheet Collection is a professional colour design and communication set containing all 1,825 RAL DESIGN SYSTEM plus colours as individual DIN A4 colour sheets. Supplied in 8 ring binders, it offers the largest and most flexible sheet format for working physically with the complete RAL DESIGN SYSTEM plus palette in architecture, interior design, product development, industrial design, graphic design, coatings, paints, engineering and manufacturing.
RAL DESIGN SYSTEM plus is a systematic colour system based on the CIELab colour model. It organises colour according to hue, lightness and chroma, allowing colour professionals to work with both creative freedom and technical precision. Each colour is defined through the RAL DESIGN SYSTEM plus logic, making it easier to build colour sequences, compare nuanced shades and communicate colour decisions across design, production and supplier workflows.
The RAL D4 Single Sheet Collection contains 1,825 A4-sized single colour sheets. Each sheet measures DIN A4, 21.0 × 29.7 cm, and presents one colour in a large semi-matt surface. This generous format is one of the key strengths of the set. It gives designers, architects, product developers and clients a far more realistic impression of a colour than small fan-deck fields or compact atlas chips.
Large colour surfaces matter in professional design. A colour can feel very different when it is seen at scale, placed next to materials or evaluated under real project lighting. The A4 format helps users assess depth, brightness, undertone, chroma, temperature and spatial effect with more confidence. It is particularly useful when colours are intended for larger surfaces such as walls, façades, furniture, panels, product housings or coated components.
The colour sheets have a semi-matt finish. This surface quality is relevant for a wide range of real applications, where colours are neither fully matte nor highly glossy. Semi-matt sheets provide a practical visual reference for painted surfaces, architectural coatings, furniture, metal components, plastics, interiors, consumer products, fixtures and industrial finishes.
The set is delivered in 8 ring binders with protective slipcases. The listed slipcase format is approximately 37.7 × 32.6 cm, while the ring binder format is approximately 36.4 × 31.5 cm. This binder structure keeps the extensive collection organised and helps protect the sheets from dust, light and unnecessary handling. For studios, showrooms, laboratories, specification departments and design offices, the collection becomes a long-term working archive for colour.
The RAL D4 Single Sheet Collection is especially valuable for mood boards, colour collages and material concepts. Entire A4 sheets can be inserted into design presentations, pinned to boards, placed next to material samples, cut into shapes or used to build large colour studies. This makes the collection more flexible than a fan deck and more visually persuasive than small colour chips.
For product design and industrial design, the D4 Single Sheet Collection supports the development of colour concepts for consumer goods, electronics, appliances, furniture, mobility products, packaging components, tools, hardware and technical products. Designers can evaluate colour at scale, compare subtle differences and build coherent colour ranges for product families or brand-specific surface systems.
For architecture and interior design, the collection supports colour decisions for walls, façades, doors, windows, frames, furniture, built-in elements, lighting, signage, retail spaces, hospitality interiors and public environments. The A4 format makes it easier to discuss colour with clients, compare shades against wood, stone, textiles, metal, glass, plastics and flooring, and develop complete material and colour palettes.
For industrial manufacturing, the set supports clearer communication between design, engineering, sourcing, suppliers and production teams. Large physical colour sheets help teams discuss direction, approve preliminary colour choices and prepare more precise specification documents before moving into production samples or application-specific standards.
For paints, varnishes and coatings, the RAL D4 Single Sheet Collection is a practical tool for colour planning, consultation and presentation. Paint producers, coating specialists, contractors and designers can use the A4 sheets to demonstrate colour options at a useful scale and compare them under different lighting conditions before preparing final samples or coating references.
The set is also useful for graphic design, branding and environmental communication when colours need to move from visual identity into physical space. Branded interiors, signage, wayfinding systems, exhibition design and applied surface graphics often depend on real paint, coating, material and light. A large physical colour sheet provides a more relevant reference than a digital colour preview.
Because each sheet can be used independently, the D4 Single Sheet Collection supports collaborative workflows. Sheets can be shared with clients, suppliers, contractors or internal teams. They can be included in project folders, attached to specification boards or used directly in presentations. This makes the set highly useful when colour decisions need to be visible, tangible and easy to discuss.
Each colour sheet can be reordered individually as a D4 Single Sheet A4. This is a major advantage for professional studios and project teams. Sheets that are cut, integrated into presentations, sent to clients or frequently used can be replaced without renewing the entire collection. This keeps the set practical and complete over time.
The RAL D4 Single Sheet Collection is an excellent complement to the RAL D2 Colour Fan, the RAL D3 Colour Toolbook and the RAL D4 Colour Atlas. The D2 supports quick overview, the D3 offers removable chips, the D4 Atlas provides systematic colour-space overview, and the D4 Single Sheet Collection gives users the full palette at the largest standard sheet scale for advanced design presentation and colour development.
The collection should be understood as a professional colour design and communication tool. For binding production approval, final coating decisions or formal quality control, application-specific samples, controlled viewing conditions and relevant technical procedures may be required. The D4 Single Sheet Collection is ideal for confident colour selection, creative exploration, client presentation and refined pre-production communication.
For professionals who need the full RAL DESIGN SYSTEM plus spectrum in a large, flexible and physically persuasive format, the RAL D4 Single Sheet Collection is a powerful resource. It supports modern colour design, precise colour discussion and sophisticated material development across architecture, interiors, product design, coatings and industrial colour workflows.
Key Benefits
- Complete RAL DESIGN SYSTEM plus A4 sheet collection
- Contains all 1,825 RAL DESIGN SYSTEM plus colours
- 1,825 individual DIN A4 colour sheets
- Supplied in 8 ring binders
- Slipcase format approx. 37.7 × 32.6 cm
- Ring binder format approx. 36.4 × 31.5 cm
- Colour sheet format DIN A4, 21.0 × 29.7 cm
- Semi-matt gloss level
- Large colour surface for confident assessment
- Ideal for mood boards, collages and design presentations
- Useful for architecture, interiors and product design
- Supports material and colour concept development
- Practical for paints, coatings and industrial colour planning
- Individual sheets can be reordered
- Professional physical reference for colour communication
FAQ
What is the RAL D4 Single Sheet Collection?
The RAL D4 Single Sheet Collection is a professional set containing all 1,825 RAL DESIGN SYSTEM plus colours as individual semi-matt DIN A4 colour sheets.
How many colours are included?
The collection contains the complete RAL DESIGN SYSTEM plus range with 1,825 colours.
What size are the colour sheets?
Each sheet is DIN A4 format, measuring 21.0 × 29.7 cm.
How is the collection supplied?
The complete set is supplied as 1,825 A4-sized single colour sheets in 8 ring binders with protective slipcases.
Can individual sheets be reordered?
Yes. Each colour sheet can be reordered individually as a RAL D4 Single Sheet A4.
Is the RAL D4 Single Sheet Collection suitable for final colour control?
It is mainly a colour design and communication tool. For binding production approval, application-specific samples and controlled quality procedures may be required.