Industry guide

Spine labels patrons can read, books that stay shelved

Plan genre bands, reading-level dots and status tapes, shelf-read on a schedule, and decide when to repair, replace or box a book.

Where labeling goes wrong

Color with no words

A blue band means "Mystery" to whoever chose it and nothing to a new volunteer or patron. Why it matters: WCAG 1.4.1 says color should not be "the only visual means of conveying information" [2]. About 1 in 12 men have a color vision deficiency, most often red-green [3].

Books that look shelved but can't be found

A misshelved book is effectively lost until someone shelf-reads that range. Why it matters: one academic library found 20% of its books missing or misshelved before it began regular inventories [1].

Keys that drift

Branches or staff add colors without telling anyone, and the same color ends up meaning two things.

Bands that peel or fade

Uncovered spine labels wear at the shelf edge and in book drops, and whole batches need relabeling.

Tape on the wrong book

Pressure-sensitive tape can be a sensible repair for a circulating copy. It is the wrong repair for rare, archival or brittle material. Why it matters: the Library of Congress says "Do not use self-stick tape, even if it is marketed as 'archival'" on collection items [4].

Repairing what should be replaced, or the reverse

Hours go into a book nobody borrows while a popular title is withdrawn over a split hinge.

Build your color-code system

  1. Write the key first (collection lead, one afternoon). List every status: genre or collection, reading level, new, reserve, reference. Give each a color and a word, abbreviation or symbol. There is no universal library color standard for genres or reading levels, so keep a documented in-house key and use the leveling system your school already uses.
  2. Choose colors people can tell apart. Never let red and green separate two meanings on one shelf [3]. Repeat the meaning in text on the band, shelf end and signage [2].
  3. Fix spine positions. Same order on every book: call number, genre band, level dot, temporary status. Post a photo of a correct spine at each processing station.
  4. Removable for temporary, permanent for life. "New" and "Reserve" come off, so use removable tape or dots. Genre and level stay, so use permanent labels under a clear protector on circulating copies.
  5. Process in batches. One station, one roll of each color within reach, and a "check against the key" step before shelving.
  6. Set up a repair triage shelf (circulation staff, daily). Damaged returns go to one flagged shelf; a trained staff member sorts it weekly (see QA below).
  7. Draw the archival line. Rare, special-collections, archival and brittle items get no pressure-sensitive tape or labels directly on them. The Library of Congress suggests boxing the book and labeling the box instead [5].

These colors are an example, not a standard.

Color-code key

Color Meaning Where it goes Product
Yellow, imprinted "NEW" New arrival (temporary) Lower spine band, removed after your set period 3/4" Imprinted Library Tapes
Yellow, imprinted "RESERVE" Reserve / short loan Spine band, removed when reserve ends 3/4" Imprinted Library Tapes
Red, imprinted "REFERENCE" Does not circulate Spine band 3/4" Imprinted Library Tapes
One color per genre + genre word (e.g. dark blue "MYSTERY") Genre or collection Band above call number, under a clear protector 3/4" Color-Code Tape Custom Imprinted Tape
One dot color per level, level written on it Reading level (your system) Fixed spot above call number 3/4" Permanent Color-Code Dots

QA/QC: keep it working

  • Shelf-read on a rotation. Assign ranges to named staff or volunteers, read busy ranges more often, and log out-of-place counts by range and date. In [1], annual inventories cut the misshelved rate from 11.6% to 3.1% over five years.
  • One owner for the key. The collection lead approves new colors; changes are dated and sent to every branch or school.
  • Fix labels during shelf-reading. Pull books with lifting, faded or missing bands and relabel them in batches.
  • Repair triage, weekly. Ask in order: (1) Should it stay in the collection [7]? (2) Is it rare, archival, brittle or valuable as an artifact [8]? Then no tape: box it or refer it to a conservator [5][6]. (3) A circulating copy with a simple break? Repair in-house [6]; see our book repair and hymnal repair guides. (4) Cheaper to replace? Replace it [7].
  • Retire statuses on time. Pull "New" bands on a set monthly date and "Reserve" bands when the hold ends.
  • Train with the key in hand. New staff label ten practice books against the posted photo before processing real ones.

Printable checklist

Library Labeling & Repair Checklist

Print it, fill in your key, and post it at every processing and repair station.

Key and accessibility

  • Every color has a written meaning and one owner
  • Every band or dot also carries a word, abbreviation or symbol
  • Red and green never separate two meanings on one shelf
  • Key posted at shelf ends, processing stations and online
  • Key changes are dated and sent to all branches

Processing

  • Photo of the correct spine layout posted at each station
  • Label positions are identical on every book
  • New and Reserve use removable tape or dots
  • Permanent labels on circulating copies get a clear protector
  • Each batch is checked against the key before shelving

Shelf-reading and upkeep

  • Every range has a named reader and a fixed schedule
  • Out-of-place counts logged by range and date
  • Lifting or faded labels pulled and relabeled in batches
  • New bands removed on a set monthly date

Repair triage

  • Damaged returns go to one flagged triage shelf
  • Keep-or-withdraw decided before any repair
  • Rare, archival or brittle items get no tape: box or refer
  • Tape repairs on circulating copies only
  • Replace instead of repair when replacing costs less

Our color key

ColorMeaningOwner
 
 
 
 
 
 
Download PDF

Recommended products

3/4" Removable Color-Code & Labeling Tape - 60 yds

genre and collection bands you can write on.

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3/4" x 1440" Imprinted Library Tapes

pre-printed New, Reserve and Reference bands.

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Custom Imprinted Tape with Your Message

your genre names or collection codes printed on the band.

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3/4" Permanent Round, Color-Code Dots: 250/Box

reading-level dots with the level written on.

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3/4" Round "NEW" Labels | Removable Adhesive: 1,000/Box

new-arrival flags that come off cleanly.

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"Repair Required / Repaired" Double-Layer Action™ Labels

triage flags for circulating items (on a slip, never on archival items).

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1" BookGuard™ Premium Cloth Book Binding Repair Tape: 15 yds

hinge and spine repairs on circulating hardcovers.

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1-1/2" BookGuard™ Clear Stretchable Book Binding Repair Tape: 15 yds

clear spine repairs on circulating paperbacks.

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Frequently asked questions

Is there a standard color for each genre or reading level?

No. Write your own key, pair every color with a word or symbol, and follow your school's leveling system.

Can we use BookGuard™ on rare books or archival material?

No. BookGuard™ is for circulating collections, where the goal is a working copy. The Library of Congress advises against self-stick tape on collection items, even tape marketed as archival [4]; box those items or consult a conservator [5].

Removable or permanent labels?

Removable for statuses that end (New, Reserve); permanent, under a clear protector, for genre and level.

How do we serve color-blind patrons?

Put the meaning in text or a symbol on every band and sign [2], and don't rely on red versus green [3].

How often should we shelf-read?

On a fixed rotation that covers every range, with busy ranges more often. The log tells you where to adjust.

Cost calculator

What are label problems costing you?

Adjust the starting numbers to match your operation.

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Sources
  1. Nixon JM, "The Right Book on the Right Shelf: Missing and Misshelved Books," Purdue University Libraries, 2009: “Study of the problem indicated that in fact 20% of our books were either missing or miss-shelved." / "The miss-shelved book rate dropped steadily every year from 11.6% to 3.1%.”
  2. W3C, Understanding WCAG 2.2 SC 1.4.1 Use of Color: “Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.”
  3. National Eye Institute, Color Blindness: “About 1 in 12 men have color vision deficiency" / "The most common type of color vision deficiency makes it hard to tell the difference between red and green.”
  4. Library of Congress, Preservation FAQ: Books: “Do not use self-stick tape, even if it is marketed as "archival."”
  5. Library of Congress, Preserving Your Books: Repairing Your Books: “consider leaving the book as-is, boxing it, and focusing on improving storage conditions." (accessed 2026-10-14). Also Ask a Librarian, call number labels — https://ask.loc.gov/preservation/faq/337416 — "Box the book and affix the label to the box.”
  6. Dartmouth College Library, Simple Book Repair Manual: “In-house book repair is appropriate for general collections materials”
  7. University of North Alabama Collier Library, Book Mending for the Lending Library: Checklist: “Depending on the nature of the damage, it may be more cost-effective to replace a book rather than repair it.”
  8. Minnesota Historical Society, Caring For Damaged Books: “Does it have value as an artifact, or is it valuable only for the information it contains?”
  9. O*NET OnLine, Library Technicians 25-4031.00, local wages (BLS 2025 wage data): “Hourly Median (50%): "$21.43"”
  10. U.S. Bureau of Labor Statistics, Employer Costs for Employee Compensation, June 2026: “benefit costs averaged $14.07 and accounted for the remaining 30.0 percent" / "benefit costs averaged $25.78 and accounted for the remaining 38.8 percent”