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United Kingdom · CAP Code · landing pages
Color gamut and wide colour display claims on UK landing pages — CAP literacy
Monitor, laptop and tablet pages advertise DCI-P3 coverage, Adobe RGB percentages and delta-E accuracy beside HDR and resolution heroes. Buyers may read wide colour badges as guaranteed out-of-box performance without calibration footnotes. This guide helps UK marketers inventory colour gamut strings on live URLs. Not ASA clearance and not legal advice.
Colour gamut heroes on display pages
Display brands stack 98% DCI-P3, 100% sRGB and factory-calibrated delta-E <2 claims beside panel type badges on product detail modules.
Buyers may assume cinema-grade colour applies to every preset when footnotes say tests used a named factory mode or external probe.
Start with glare reduction display claims, touch response latency claims, and energy efficiency rating claims when spec modules stack.
Separate gamut area from delta-E accuracy
Coverage percentage badges differ from average delta-E figures — inventory whether the hero cites area or accuracy.
Professional-grade colour lines without comparator methodology need substantiation folders — log test instrument when class claims appear.
Review superlative claims when gamut heroes use cinema-grade tone, and puffery vs objective claims when percentages are absent.
Common colour gamut wording patterns
| Hero phrase | Evidence column | Register note |
|---|---|---|
| 98% DCI-P3 coverage | Spectroradiometer trace | Log test pattern |
| 100% Adobe RGB | Named preset | Match user mode |
| Delta-E < 2 average | Factory calibration report | Separate from gamut % |
| Wide colour HDR | HDR format tested | Split HDR row |
| Pantone validated | Partner licence scope | SKU list |
Worked example — creator monitor page
A hero states: “Covers 98% DCI-P3 and 100% sRGB in factory calibration mode — average delta-E 1.8 measured with X-Rite i1Display Pro on pre-production unit at 120 cd/m².” Register rows:
Log factory calibration mode as requirement — hero fails if default sRGB preset differs.
Record pre-production qualifier — retail panels need separate substantiation rows.
Capture 120 cd/m² condition — do not reuse line on pages implying bright-room performance without retest.
- Gamut percentages: Two register lines.
- Delta-E: Accuracy register.
- Instrument: Test setup row.
- Mode: User preset scope.
Common misreadings on colour gamut copy
Resolution pixel count assumed to prove wide gamut — resolution and colour space are separate register rows.
Touch latency claims assumed to match colour performance — read touch latency guide when both modules appear.
Retailer marketplace bullets assumed aligned with brand.com hero after panel supplier change — rescan both URLs.
CE mark claims assumed to substantiate gamut figures — conformity and performance differ.
Colour gamut inventory checklist
| Check | On page? | If missing |
|---|---|---|
| Named colour space | Often | Flag vague wide colour |
| Test preset or mode | Sometimes | Scope gap |
| Delta-E separate from % | Sometimes | Substantiation folder |
| Pre-production qualifier | Often footer-only | Visibility gap |
| Separate from HDR nits row | Usually | Two register lines |
Creator workflow crossover
Software bundle pages may cite colour-managed workflow — keep monitor gamut heroes separate from bundled app claims unless tests cover the bundle sold.
Print profile claims on all-in-one devices concern output — unrelated to panel gamut unless one module merges both.
See battery life duration claims and wireless range signal strength claims when creator laptop pages stack specs.
What CiteBefore will and will not do
CiteBefore inventories DCI-P3, Adobe RGB and delta-E strings on submitted URLs into your register columns.
We do not run spectroradiometer tests, certify Pantone programmes, or submit ASA responses — inventory support only.
Pair with advertising claim substantiation and agency substantiation handoff when creative rotates faster than legal review.
Refurbished SKU pages often inherit new-product gamut heroes — flag variant gaps when panel lot differs.
Multi-monitor bundle pages may split gamut per display — log each SKU as separate register rows.
See repairability score claims and before and after URL checks.
Campaign and panel drift
Black Friday modules sometimes reuse launch gamut heroes after panel supplier swaps — log firmware and factory calibration version in the substantiation column when presets change.
Marketplace A+ content may omit factory mode footnotes present on brand.com — treat retailer URLs as separate register rows during peak trading.
See was-now pricing claims when colour bundles sit beside discount heroes.
Hold probe calibration certificates when marketing cites third-party validation — substantiation reviewers may ask whether the tested unit matches retail panel lots.
List ambient lux on the register when heroes cite dark-room measurements — underspecified viewing conditions invalidate otherwise accurate gamut charts.
Panel lottery variance may be discussed in reviewer forums — log lot numbers in substantiation when marketing cites bin-grade selection for creator panels.
Uniformity compensation claims may sit beside gamut heroes — register uniformity rows separately from DCI-P3 percentage lines on the same module.
Hardware LUT shipping with monitors may affect out-of-box colour — note whether heroes assume LUT enabled or factory sRGB default.
Mac versus PC colour pipeline footnotes may be material — capture host OS and browser when web store pages reuse lab gamut figures.
Retail demo mode loops may run sRGB while heroes cite DCI-P3 — log in-store demo settings when mystery shopping display bays.
Projector pages may reuse monitor gamut language without retest — log projection screen material when A+ modules copy monitor percentages verbatim.
Anti-glare coatings may shift measured gamut — note coating variant on register rows when heroes compare matte and glossy SKUs on one comparison table.
Subscription monitor bundles may rotate panel lots mid-contract — rescan gamut heroes when hardware refresh emails change SKU suffixes without a full product launch.
Questions
Are percentage gamut claims objective?
Coverage percentages are measurable when colour space and test method are named — inventory exact strings.
Must wide colour heroes list factory calibration mode?
If tests used a named preset, retail defaults may not match the hero — log mode scope.
Does CiteBefore run display calibration?
No. CiteBefore inventories advertising copy. Calibration remains your product folder.
Can delta-E figures substantiate gamut area?
Accuracy and coverage are separate register rows — do not merge on one evidence line.
Do marketplace bullets inherit brand.com colour claims?
Rescan both URLs after panel or firmware changes — feeds often lag.
Log gamut heroes with preset and instrument scope
Register exports stay aligned when factory modes or panel lots change after launch.
All guides: /guides/.