There is no ideal number of shades. A tonal palette becomes too large when people cannot explain which shade to use, when neighboring tones compete without purpose or when approved combinations fail in real applications. Add shades to solve defined needs, then document their roles.
Count roles before counting swatches
A brand may choose a signature purple and later discover that it needs a pale background, a strong emphasis color and a darker reading surface. Those are practical reasons to develop a tonal family. Adding five similar purples because they all look attractive is a different decision.
I would ask the team to name the role of every existing swatch. If two shades do the same job and nobody can explain when to choose between them, the system may need consolidation. The useful measure is the clarity of the decisions, not the palette’s size.
Purple Garden uses variation deliberately
Mother Design: Purple Garden creator case study, undated, checked 9 November 2026 explains a warm family of seven purple hues for different moods and moments, with a secondary palette related to changing light. Abduzeedo: Purple Garden identity by Mother Design, 5 November 2026 provides dated November coverage of the identity.
That is one project’s strategy, not a recommendation that seven is the right number for another business. My interpretation is that variation becomes more coherent when it has an articulated purpose. The studio’s case study does not establish accessibility performance for every possible color pairing.
Assign a specific function to each tone
| Role | Purpose | Rule to record |
|---|---|---|
| Signature | A stable recognition cue | Where it should be most visible |
| Background | A quieter field for content | Which text colors may sit on it |
| Emphasis | Draw attention to a priority | How often it can appear |
| Deep tone | Provide a strong contrasting surface | Approved reversed content |
| Functional state | Communicate interface information | Use labels and verify meaning independently |
These are starting roles for discussion, not mandatory additions. A small identity may need fewer. A product interface may need a separate functional system coordinated with the brand palette. Avoid assuming that a decorative shade automatically works for a warning or a selected control.
Check combinations instead of isolated colors
A swatch cannot tell you whether a caption is readable. Review the actual text and background pairs at the sizes and weights the layouts use. W3C WAI: Understanding WCAG 2.2 SC 1.4.3, Contrast (Minimum), Level AA explains the Level AA text-contrast criterion, including the distinction between ordinary and large text and the relevant exceptions.
Record which combinations are approved for body copy, headings and small labels. Have the appropriate specialist check interactive elements and the wider interface. One successful contrast pair does not certify the whole identity, and a logo exception should not become permission for unreadable supporting content.
Use real surfaces to expose duplication
Place the palette into a homepage, a proposal cover, a business card and a typical social post. Ask whether the signature color still feels consistent across them. If every layout uses a different dominant tone, document why that variation is useful or simplify the choices.
For a hypothetical consultancy, two nearly identical pale blues might look distinct on a bright monitor yet become difficult to distinguish on office printouts. Proof the intended output and agree what degree of variation is acceptable with the relevant supplier.
Name colors by use as well as appearance
A descriptive name can help people talk about a color, but the guide should also explain its job. Background light and emphasis dark give a template user more direction than a collection of poetic names alone. Include approved examples and a few common mistakes.
My NorthStarWare palette presentation offers an existing visual reference for coordinated blue identity assets. It is not the Purple Garden system or proof of contrast compliance. The broader brand-color guide covers initial selection; this article concerns managing variation after that choice.
Review the palette when new applications reveal a missing role. Add a shade because the system needs it, retire redundant choices and update the templates together. A flexible identity works best when people know which freedoms are intentional.
Frequently Asked Questions
Can a brand have several versions of its main color?
Yes. Give each tone a defined role and test the approved combinations in real applications. Several intentional tones can be clearer than one color used in unsuitable contexts.
Do brand colors automatically work for interface states?
No. Interface colors need their own semantic and accessibility review. Coordinate them with the brand palette while keeping labels, contrast and state distinctions clear.
Sources and Credits
- Mother Design: Purple Garden creator case study, undated, checked 9 November 2026
- Abduzeedo: Purple Garden identity by Mother Design, 5 November 2026
- W3C WAI: Understanding WCAG 2.2 SC 1.4.3, Contrast (Minimum), Level AA
Created and sources checked on 9 November 2026. The editorial date places this article in the requested series; it is not a claim of earlier publication. External projects are credited to their creators. The review frameworks and hypothetical examples are design recommendations, not measured client outcomes.
Bring your palette and a few everyday layouts. We can identify missing roles, redundant shades and combinations that need further review. Book a free consultation or explore design services.