Clay tile color should be approved as a range within a real room—not promised by a color word, one sample or a processed photograph. Light source, time of day, viewing angle, surface texture, neighboring finishes, joint color and the mix of production lots can all change what a wall or floor looks like.
The seven archive photographs below are now identifiable as PAW HUB at OCT PARK in Shenzhen, China, a pet-care, social, retail and café space by Informal Design, completed in January 2021. A designer-authorized project publication, independently corroborated by LOOP Design Awards, describes orange ceramic tile at the café window and black volcanic material with grilles at the exterior. Neither record identifies LOPO, a manufacturer, product code, unit dimensions, tile quantity or installation system. This is therefore an external design reference, not a LOPO supply case or a residential project.
- Project
- PAW HUB, OCT PARK
- Location
- Shenzhen, China
- Space design
- Informal Design
- Lead / team
- Sheng Wang; Lin Wenhao and Shen Hongtao
- Completion
- January 2021
- Published area
- 300 m² project area—not tile area or quantity
- Photography
- Zhang Chao
- Material record
- Orange ceramic tile; black volcanic facing and grilles
- LOPO role
- Not established by the available records
Translate “warm” into a color and material brief
The PAW HUB designers describe a deliberate contrast: a vivid orange café window brightens a gray interior field, while warm interior light opposes the dark exterior. That is evidence of this project’s stated composition—not proof that orange tile makes every viewer feel at home.
Color relationship
Name the field and accent colors, their proportions, adjacency and required contrast instead of relying on “warm” or “earthy.”
Surface character
Record matte/gloss, texture, relief, edge, joint shadow and whether deliberate variation is random, graded or controlled.
Viewing conditions
Define daylight orientations, electric-light scenes, typical distance, grazing light and important day/night views.
Approval language
Use an accepted range board and mock-up, with dated product and lot references, rather than an online photograph as the color standard.
For a residence, test the same palette beside the actual cabinetry, timber, stone, paint, metal and textiles. A dark joint can sharpen each module; a near-color joint can read as a broader field. Neither choice is inherently “cozier.”
Approve color under the project’s light and views
Screen brightness, white balance, exposure, compression and post-processing make photographs unsuitable as acceptance references. Review physical samples in the room at the main daylight periods and under each proposed electric-light scene. Include grazing light where relief, bow, lippage or joint shadow may become prominent.
Minimum visual review set
- Several full units showing the offered range, not a single hand sample or small catalogue chip.
- Actual joint material, width, depth and color plus any coordinating sealant.
- Adjacent finishes and the final light-source type, direction and controls.
- Normal and critical viewing distances, including oblique and day/night views.
- A retained, signed range board and full-scale mock-up with exact product and lot references.
If the design relies on a color transition, random blend or dark-to-light distribution, issue a marked elevation or installation rule. “Mix well” is not enough to reproduce a deliberate composition.
Control range, batch and mix without erasing natural variation
First decide whether the selected product is intended to be visually uniform or intentionally variable. Record manufacturer, exact product code, forming route, finish, nominal and work size, declared shade/range, caliber where applicable, production lot and the quantity required for mock-up, installation and future repair.
ISO 10545-16:2010 provides an instrumental method for small color differences between plain-colored ceramic tiles designed to be uniform. Its scope is not a universal acceptance rule for deliberately varied tiles, mixed colors, textured units or an entire room. Set project criteria that match the exact product and intended visual result.
Before installation, compare the delivered lots with the retained range board, then dry-lay enough units to reveal repeats, clusters and transitions. Write the mixing rule, opening sequence and hold points. If replacement stock matters, retain labelled units from the approved production rather than assuming a future firing will be visually identical.
Do not transfer an interior palette into an exterior specification
The PAW HUB source distinguishes the orange ceramic-tile accent from a black exterior composed of volcanic facing material and grilles. Color resemblance does not make those surfaces the same material. Likewise, an interior wall tile, floor tile, fired-clay brick slip, full brick and mechanically fixed terracotta panel are different identities and may require different substrates, fixings, joints, movement provisions and evidence.
For a residential interior, state whether the location is a dry wall, backsplash, wet wall, floor, hearth surround, stair or another condition. For exterior use, define climate and wetting, freeze/salt exposure where relevant, wind/seismic actions, solar exposure, drainage, support, movement, fire route, access and replacement. Only the exact proposed product and complete assembly can be checked against those requirements.
Joints, edges and transitions complete the color field
A tile color is never viewed alone after installation. Joint width, depth, finish and color control the apparent module; cut edges, corners, trims, thresholds, skirtings and sealant lines can either reinforce or interrupt the intended field. Draw these conditions at the same time as the color distribution.
Openings and edges
Schedule full, cut or shaped units at jambs, sills, counter openings, niches, corners and terminations. Confirm visible body/edge color and suitable trim pieces.
Movement interfaces
Coordinate movement joints and sealant with the substrate and installation design. A color-matched sealant is still a distinct material requiring compatibility evidence.
Floor and step transitions
Resolve changes in level, thresholds, nosings, drainage and accessibility under project rules. A wall color reference supplies no slip or walking-surface result.
Services and furniture
Coordinate sockets, lights, cabinetry, counters and fixings before setting-out so late cuts do not dominate the approved pattern.
Test maintenance on the exact finish and joint
Cleaning behavior depends on glaze or surface finish, texture, porosity, joint material, sealers, contaminants and cleaning chemistry. It cannot be inferred from “clay,” color or a photograph. Obtain the product and installation-material manufacturers’ current care instructions, then test the proposed cleaner and method on the approved mock-up.
The Tile Council of North America’s grout-cleaning guidance distinguishes tile from grout and warns that cleaners or acids can leave residue or damage cementitious joints. Treat it as general United States industry guidance, not instructions for an unidentified PAW HUB surface or the selected project product.
For kitchens, entries, pet areas and wet rooms, include likely stains, soil, water, cleaning frequency, texture access, edge details and repair procedures in the maintenance trial. Do not convert a successful cleaning trial into claims of antibacterial, stain-proof, self-cleaning or zero-maintenance performance.
Build an exact-product and system evidence schedule
| Decision | Record before approval | Evidence boundary |
|---|---|---|
| Product identity | Manufacturer, exact code, ceramic-tile/brick/slip/panel identity, forming route, finish, dimensions/tolerances and intended use | A photo, color name or generic “clay tile” label is insufficient |
| Color range | Full units across the declared range, lot/caliber data where applicable, mixing rule, marked elevation and retained control sample | A single sample cannot represent a varied production |
| Viewing approval | Project daylight/electric light, adjacent finishes, joint/sealant, critical distance and full-scale mock-up | Digital images and screens are not calibrated acceptance standards |
| Installation route | Substrate/support, preparation, adhesive/mortar/fixing, joints, movement, waterproofing/drainage where applicable, edges and penetrations | Unit properties do not prove assembly performance |
| Exposure/performance | Required project criteria, governing standard/edition, current representative reports and acceptance values for the exact use | Interior use does not prove exterior, wet, floor or overhead suitability |
| Maintenance | Approved cleaners/methods, mock-up trial, inspection, access, repair and labelled attic stock | Color or material family does not prove stain resistance or service life |
ISO 13006:2018 is one international route for ceramic-tile definitions, classifications, characteristics and marking and points to the ISO 10545 test series. ISO lists a replacement edition under development, so confirm the governing edition, product scope and project jurisdiction. The standard does not identify every fired-clay brick, slip, panel, trim or shaped accessory and does not identify the products in these photographs.
A practical residential and interior approval sequence
- Define the room and use. Record dry/wet, wall/floor, heat, impact, cleaning and interface conditions rather than choosing from color alone.
- Freeze exact identity. Obtain the product code, finish, dimensions, intended use, lot/range information and installation instructions.
- Compose the field. Draw module, orientation, mix, joints, cuts, corners, edges, services and transitions.
- Review under real light. Compare a multi-unit range board and mock-up at important daylight and electric-light scenes beside adjacent finishes.
- Align technical evidence. Match every required property to a named method, representative specimen/assembly, current report and project acceptance criterion.
- Control delivery and care. Check lots against the retained sample, inspect the installed mix, approve cleaning trials and retain labelled repair stock.
PAW HUB is useful here because its designers documented a specific contrast among orange ceramic tile, gray fields, warm light and a dark exterior. The lesson is a traceable composition and approval process—not a promise that one color creates the same feeling in every home.
Turn the palette into an approvable tile brief
Share the room elevations, intended product type, color range, finish, module, joints, lighting, exposure, quantity and governing requirements. LOPO can review candidate fired-clay products and available product evidence; the architect, interior designer and installation team remain responsible for the complete specification, substrate and assembly.