Color Match and Spray-Out Card SOP
A spray-out card SOP for verifying paint color match before blending. Use it to document the color code, spray a test panel, and catch deviations in natural light before rework starts.
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Built for: Automotive Collision Repair · Vehicle Refinishing · Fleet Maintenance · Paint And Coatings
Overview
This SOP template documents the full spray-out card workflow used to verify a paint color match before a technician blends into the vehicle or panel. It starts with confirming the repair order and color code, then moves through card preparation, paint mixing, spray application, flash and dry time, and evaluation under natural light. The final steps require the operator to either approve the match or escalate a color deviation before any blending begins.
Use this template when color accuracy affects finish quality, customer approval, or rework risk. It is especially useful for repairs involving aged paint, metallics, pearls, tri-coats, or any finish where the formula alone may not match the surrounding surface. It also helps when multiple technicians work the same job and you need a consistent record of what was checked and who approved it.
Do not use this SOP as a substitute for a full paint system specification, manufacturer mixing instructions, or a separate hazardous materials procedure. If the color is already locked to an approved standard sample, or if the job does not require a visual match before blending, the workflow may be more than needed. It is also not the right template for unrelated coating processes such as primer application, corrosion protection, or general equipment painting.
Standards & compliance context
- This template supports ISO 9001-style documented information by creating a repeatable record of verification, deviation handling, and approval.
- It aligns with quality-control practices that require inspection before release to the next process and before non-conforming work is concealed by blending.
- If your shop uses hazardous coating materials, pair this SOP with the applicable PPE, ventilation, and permit-to-work controls required by your safety program.
- When color acceptance is part of a regulated or customer-specified finish standard, this SOP helps show that the decision was made against a documented reference.
General regulatory context for orientation only — verify current requirements with counsel or the relevant agency before relying on this template for compliance.
What's inside this template
Steps
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Verify the repair order and color code
The paint technician verifies the repair order, vehicle VIN, and paint code label match exactly before mixing any paint. Record the confirmed color code in writing and do not proceed if any identifier is missing or inconsistent.
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Prepare the spray-out card surface
The paint technician handles the spray-out card with clean gloves, removes dust or residue with a clean tack cloth, and confirms the surface is dry and contamination-free before coating. Reject any card that is damaged, warped, or visibly dirty.
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Mix the paint sample to specification
The paint technician mixes the sample to the manufacturer’s specified ratio and verifies the mixture reaches the required spray viscosity before use. Complete the mix within 15 minutes of combining components so the sample stays within pot-life tolerance and remains suitable for spray application.
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Apply the spray-out card sample
The paint technician applies an even, representative coat to the spray-out card using the approved spray gun and technique. Confirm the finish is uniform, free of runs or dry spray, and representative of the repair surface before moving to dry time.
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Allow the spray-out card to flash and dry
The paint technician leaves the spray-out card undisturbed until the coating has fully flashed and dried according to the product specification. Do not evaluate the card while it is still wet or tacky.
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Evaluate the card under natural light
The paint technician inspects the dried card in natural light and compares it at face, flash, and flop angles to identify metamerism or mismatch. Confirm the card is viewed in the approved inspection area before recording the result.
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Escalate any color deviation before blending
The paint technician compares the spray-out card to the vehicle color and either approves the match or escalates any visible deviation before blending begins. If the match is not acceptable, stop work and route the job for correction.
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Approve the match and proceed to blending
The paint technician records the approved match, confirms the result with the required reviewer if applicable, and proceeds to blending only after acceptance is documented. Do not continue if approval is incomplete.
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Document the non-conformance and notify the supervisor
The paint technician documents the mismatch, attaches any required photo evidence, and notifies the supervisor before any blending work continues. Keep the job on hold until the deviation is reviewed and corrected.
How to use this template
- The coordinator verifies the repair order, vehicle identifier, and color code before the job is released to the painter.
- The painter prepares the spray-out card surface and confirms the card matches the substrate and finish system required for the repair.
- The painter mixes the paint sample to specification, records the batch or formula reference, and checks for any deviation from the approved mix.
- The painter applies the spray-out card sample using the assigned spray pattern and then allows the card to flash and dry for the required time.
- The evaluator checks the dried card under natural light, compares it to the vehicle or standard, and escalates any color deviation before blending.
- The approver documents the match decision, records any non-conformance or correction needed, and authorizes blending only after acceptance.
Best practices
- Use the same card substrate and spray technique for every comparison so the finish reflects the actual repair conditions.
- Record the exact color code, formula, and paint batch before spraying so a mismatch can be traced without guesswork.
- Evaluate the card only after full flash and dry time, because wet film can hide shade, flop, and metallic orientation issues.
- Inspect the card in natural light or the shop's approved daylight source, not under a single artificial lamp that can distort color.
- Compare the card against the adjacent panel, not just against a memory of the original color, because aging and fade change the target.
- Escalate any deviation immediately and stop the blend decision until the mismatch is resolved by a competent person.
- Photograph the card next to the vehicle and attach the image to the repair record when your quality process requires documented evidence.
What this template typically catches
Issues teams running this template most often surface in practice:
Common use cases
Frequently asked questions
What does this Color Match and Spray-Out Card SOP cover?
It covers the full workflow for checking a paint color against a repair order before blending or committing to the repair. The template includes verification of the color code, card preparation, paint mixing, spray application, drying, natural-light evaluation, escalation of deviations, and approval to proceed. It is meant to produce a documented decision on whether the match is acceptable or needs correction.
When should a spray-out card be used?
Use it whenever color accuracy matters and the repair cannot be judged reliably from the formula alone. It is especially useful for collision repair, refinishing, fleet touch-up, and any job where metallic, pearl, or aged finishes can shift the appearance. If the color is already confirmed by a prior approved sample and the process does not allow variation, the card may be unnecessary.
Who should run this SOP?
A trained painter, refinisher, or other competent person should run the procedure, with the repair order or job ticket verified by the assigned role before spraying. The person evaluating the match should understand lighting effects, substrate influence, and acceptable tolerance for the finish system being used. If the shop uses a separate approver, that role should sign off before blending begins.
How often should spray-out cards be made?
They should be made for each color-sensitive repair where the formula, substrate, or vehicle age could affect the final appearance. Recheck the color whenever there is a new batch of paint, a formula adjustment, a different spray gun setup, or a change in panel condition. Reusing an old card without confirming the current mix is a common source of mismatch.
Does this template help with ISO 9001 or other quality systems?
Yes, it supports documented information practices by creating a repeatable record of verification, deviation handling, and approval. It also fits shop quality controls that require traceable inspection steps before release to the next process. If your organization uses ISO 9001-style controls, this SOP helps show that color acceptance is checked consistently rather than by memory.
What are the most common mistakes this SOP helps prevent?
The biggest issues are skipping the card entirely, evaluating under poor lighting, using the wrong color code, and failing to record a deviation before blending. Shops also miss problems when the paint is not mixed to specification or the card is not allowed to dry fully. This SOP forces each step to be verified so the match decision is based on evidence, not guesswork.
Can I customize this SOP for different paint systems or brands?
Yes, and you should. Add the exact mix ratio, flash time, dry time, card substrate, gun settings, and acceptance tolerance for each paint system you use. You can also add brand-specific notes for metallic orientation, pearl effect, or clearcoat behavior so the procedure matches your actual workflow.
How does this SOP integrate with other shop workflows?
It can sit inside a repair order, quality inspection log, or digital runbook and link directly to the color formula, job photos, and approval record. Many shops connect it to estimating, parts, and paint inventory so the person spraying has the right materials before starting. It also works well as a gate before blending, which prevents avoidable rework downstream.
Is this better than an informal color check?
Yes, because an informal check often leaves out the exact color code, the drying condition, the lighting condition, and the escalation path when the match is off. A formal SOP creates a repeatable decision point and makes it clear who approves the match. That reduces disputes, rework, and inconsistent results between technicians.
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