Craniofacial and Trauma Rehabilitation —
Training activity: 16

Details

Perform colour matching techniques to skin tones using analogue and digital systems

Type

Entrustable training activity (ETA)

Evidence requirements

Evidence the activity has been undertaken by the trainee repeatedly, consistently, and effectively over time, in a range of situations. This may include occasions where the trainee has not successfully achieved the outcome of the activity themselves. For example, because it was not appropriate to undertake the task in the circumstances or the trainees recognised their own limitations and sought help or advice to ensure the activity reached an appropriate conclusion. ​

Reflection at multiple timepoints on the trainee learning journey for this activity.

Reflective practice guidance

The guidance below is provided to support reflection at different time points, providing you with questions to aid you to reflect for this training activity. They are provided for guidance and should not be considered as a mandatory checklist. Trainees should not be expected to provide answers to each of the guidance questions listed.

Before action

What does success look like?

• Identify what is expected of you in performing accurate colour matching to skin tones using both analogue and digital systems. Consider how the learning outcomes apply, such as delivering quality patient-centred care and selecting appropriate materials.
• Discuss with your training officer to gain clarity on the precision and technique expected for your colour matching.

What is your prior experience of this activity?

• Think about what you already know about colour theory, visual assessment, or using digital tools (i.e. colour formulation software) for colour analysis.
• Consider possible challenges you might face in achieving an accurate colour match, such as lighting conditions, metamerism or colour perception differences, and think about how you might handle them.
• Recognise the scope of your own practice for aesthetic procedures like colour matching and know when you will need to seek advice or help and from whom.
• Acknowledge how you feel about undertaking this detail-oriented and aesthetically crucial training activity.

What do you anticipate you will learn from the experience?

• Consider the specific skills you want to develop in visual acuity, digital colour analysis software, material blending, or patient communication regarding aesthetic outcomes.
• Identify the specific insights you hope to gain about the nuances of skin colour, the capabilities and limitations of different colour matching systems, and the psychological impact of aesthetic accuracy on patients.

What additional considerations do you need to make?

• Consult actions identified following previous experience with aesthetic procedures or observations of expert colour matchers that could improve your technique.
• Identify important information you need to consider before starting, such as the patient’s specific skin characteristics, the intended prosthesis material, and the environmental lighting.

In action

Is anything unexpected occurring?

• Are you noticing anything surprising or different from what you anticipate while performing colour matching techniques to skin tones?
• Are you encountering situations such as:
  • Unusual skin variations or complex pigmentation patterns (e.g., scarring or mottled skin) that defy simple matching?
  • Calibration issues with the digital system providing inconsistent readings?
  • The skin tone changing rapidly due to the patient’s temperature or emotional state?
  • Difficulty achieving an accurate match for undertones or translucency using the analogue materials?
• How is the outcome comparing to your anticipation?

How are you reacting to the unexpected development?

• How is this impacting your actions? Are you reacting and adjusting your technique in the moment when faced with an unexpected development during the colour matching?
• Consider the steps you are taking in the moment, such as:
  • Immediately re-calibrating the digital system or seeking verification on the measurement stability?
  • Adapting the use of primary and secondary colorants in the analogue palette to replicate unexpected hues or undertones?
  • Seeking immediate advice from a more experienced colleague to verify an ambiguous colour hue?
• How are you feeling in this moment? Are you finding it challenging to adapt your use of either the analogue or digital systems to achieve a successful match?

What is the conclusion or outcome?

• Identify how you are working within your scope of practice (e.g., ensuring you documented the limitations of the digital system accurately when the match required subjective analogue adjustments).
• What are you learning as a result of the unexpected development? For example, are you gaining important learning during the process about the nuances of colour matching to skin tones, or are you improving your technical skill in mixing complex pigments rapidly?

On action

What happened?

• Begin by summarising the key points of the colour matching session, detailing your use of both analogue and digital systems to achieve a match to skin tones.
• Consider specific events, actions, or interactions which felt important, including your own feelings during the experience. E.g., Dealing with variations in ambient light affecting visual matching; performing calibration and verification checks on the digital spectrophotometer; or managing patient expectation when subtle colour gradations are difficult to achieve.
• Include any ‘reflect-in-action’ moments where you adapted to the situation, e.g., re-calibrating a digital device, adjusting analogue mixes, as it unfolded.

How has this experience contributed to your developing practice?

• Identify what learning you can take from this experience regarding colour matching techniques.
• What strengths did you demonstrate in your visual acuity, understanding of colour theory, or proficiency with digital tools?
• What skills and/or knowledge gaps were evident in achieving accurate matches across different skin tones or under varying conditions?
• Compare this experience against previous attempts at colour matching. Were any previous identified actions for development achieved? Has your practice improved in the precision and consistency of colour matching using both systems?
• Identify any challenges you experienced e.g., metamerism, environmental factors, patient subjectivity and how you reacted to these. Did this affect your ability to deal with the situation? Were you able to overcome the challenges?
• Identify anything significant about the activity. Did you need to seek advice or clarification on specific techniques or the performance of the systems? Did you need to escalate if a satisfactory match was difficult to achieve within your scope of practice?
• Acknowledge any changes in your own feelings now that you are looking back on the experience, particularly regarding your confidence in artistic and technical aspects of colour matching.

What will you take from this experience moving forward?

• Identify the actions or ‘next steps’ you will now take to support the assimilation of what you have learned, including from any feedback you received.
• What will you do differently next time you perform colour matching? Has anything changed in terms of your workflow or understanding of the nuances of skin tone reproduction?
• Do you need to practise any specific techniques or gain more experience with challenging cases? E.g., Practising analogue mixing techniques to achieve subtle tone variations, or mastering the calibration and use of digital colour measurement systems, or reviewing principles of colour science and stability.

Beyond action

Have you revisited the experiences?

• Review your previous reflections on performing colour matching. What specific actions did you identify to improve your technique with analogue or digital systems? Have you completed these actions, and are you prepared to demonstrate a higher level of skill in your next colour matching task?
• Discuss with an expert or peer the nuances of challenging colour matching cases. Has their experience or your shared analysis revealed new insights into the art and science of colour matching?

How have these experiences impacted upon current practice?

• How does your developing expertise in colour matching prepare you for practical assessments where the aesthetic outcome of a prosthesis is critical?
• How has your understanding of colour science and its application in prosthetics, as well as your selection of appropriate biomedical materials, evolved through these experiences?

Relevant learning outcomes

#	Outcome
# 1	Outcome Deliver quality patient centred care with the best interests of patients in all elements of practice.
# 2	Outcome Practice in accordance with local and national health and safety policies, regulatory requirements and overall service governance.
# 3	Outcome Communicate effectively with patients, relatives, healthcare professionals and other stakeholders.
# 4	Outcome Apply the principals of a quality management system to their professional practice.
# 6	Outcome Perform clinical investigations, formulate treatment plans and manufacture medical devices to a safe clinical standard.
# 8	Outcome Select appropriate biomedical materials and components used in the treatment of patients and the manufacture of custom-made medical devices.
# 9	Outcome Assess and interpret patients’ needs to provide customised treatment dependent on medical, physical, social and psychological requirements.