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Grumbacher is an American artist-materials brand known for professional and collegiate-grade paints, brushes, mediums, and related painting supplies.

Last updated August 22, 2026

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Overview

Grumbacher is an American brand of artist materials founded in 1905 by Max Grumbacher. Its product portfolio is centered on painting supplies, including oil, acrylic, and watercolor paints, along with brushes, grounds, mediums, solvents, varnishes, and other artist accessories. The brand serves both students and professional artists through a two-level product architecture: Academy products are positioned for collegiate and student use, while the professional range is designed for artists seeking more specialized formulations and broader color selections. The brand's history places it among the long-established American names in fine-art materials. Its range has included conventional linseed-oil-based oil paints, water-mixable oils, acrylics, watercolors, and multiple brush families. Grumbacher MAX is a professional water-mixable oil-paint line intended to be diluted and cleaned with water rather than relying on conventional oil-paint solvents. The brand's PRETESTED oil colors are conventional oil paints aimed at professional practice, and its FINEST watercolor line provides a professional watercolor offering. Product information associated with the brand has described MAX as having 60 colors, PRETESTED as having 90 colors, and FINEST watercolors as having 54 colors; these counts may change over time. Grumbacher's Academy family extends the portfolio into collegiate-grade materials. It has included Academy oil, acrylic, and watercolor paints as well as several brush lines. The watercolor assortment has included student-oriented Academy colors in smaller tubes and professional FINEST colors in larger tubes. Beyond paint, the brand has offered nine brush lines and a broad range of supporting media and accessories used for preparing surfaces, modifying paint, protecting finished work, and maintaining studio tools. Corporate ownership changed during the modern history of the brand. Grumbacher became a subsidiary of Sanford L.P., which was part of Newell Rubbermaid, before being acquired by Chartpak, Inc. in September 2006. Chartpak is an art-materials and office-products company headquartered in Leeds, Massachusetts. The ownership transition affected the presentation of some product lines; a professional watercolor range that had briefly appeared under the Grumbacher name was subsequently associated with the Prismacolor watercolor brand after the Sanford acquisition. Grumbacher nevertheless continued as a distinct artist-materials brand within Chartpak's portfolio. The brand's positioning combines heritage, technical breadth, and segmentation by user experience. Academy provides an accessible entry point for students and developing artists, while Grumbacher's professional products emphasize specialized performance and artist-oriented formulations. Its presence across paints, brushes, mediums, grounds, solvents, varnishes, and accessories allows it to address much of the working painter's supply needs rather than competing only in a single paint category.

History

Grumbacher was established in the United States in 1905 by Max Grumbacher. From its beginnings, the brand developed around materials used by painters and eventually became associated with a broad selection of artist paints and studio supplies. Its portfolio grew beyond a single medium to encompass oils, acrylics, watercolors, brushes, painting mediums, grounds, solvents, varnishes, and accessories. The brand's product strategy has historically addressed different levels of artistic experience. Its Academy designation has been used for collegiate- and student-grade products, including oil, acrylic, and watercolor paints and several brush families. The professional range has included Grumbacher MAX, a water-mixable oil paint formulated for dilution and cleanup with water, as well as PRETESTED oil colors based on conventional linseed oil. Grumbacher also reintroduced its FINEST watercolor line in 2008 as a professional watercolor offering. Descriptions of the range have cited 60 MAX colors, 90 PRETESTED colors, and 54 FINEST watercolor colors. Grumbacher's watercolor portfolio has included both Academy student watercolors in smaller tubes and FINEST professional watercolors in larger tubes. The brand has also maintained a substantial brush assortment and a supporting range of products for preparing, modifying, protecting, and cleaning artwork. This breadth has enabled it to serve artists across painting disciplines and to participate in both educational and professional art-supply channels. In its corporate history, Grumbacher became a subsidiary of Sanford L.P., which was part of Newell Rubbermaid. In September 2006, Chartpak, Inc. acquired the brand. Chartpak is an art-materials and office-products company based in Leeds, Massachusetts. The ownership transition was followed by changes to the branding of some products. A professional watercolor line associated with Grumbacher was subsequently renamed and marketed as Prismacolor watercolors after the Sanford acquisition. Grumbacher continued as a separate brand focused on artist materials. The brand's continuing identity rests on the combination of long operating history, broad product coverage, and a clear distinction between accessible Academy materials and professional Grumbacher offerings. Its most differentiated product concept is the MAX water-mixable oil range, while its conventional oil colors, watercolors, brushes, and studio media provide a wider system for painters. Current product availability, ownership details below the Chartpak level, and the exact size of individual color ranges are not fully established by the supplied reference material.

  • 2008

    FINEST watercolors return

    [1]

    The professional Grumbacher FINEST watercolor line returns to the brand's range in spring 2008.

  • 2006

    Acquisition by Chartpak

    [1]

    Chartpak acquires Grumbacher in September 2006 from Sanford L.P., which was part of Newell Rubbermaid.

  • 1905

    Grumbacher is founded

    [1]

    Max Grumbacher establishes the American artist-materials business that becomes the Grumbacher brand.

Products and positioning

A heritage American artist-materials brand spanning collegiate-grade and professional-grade painting supplies, with particular strength in paints, brushes, and supporting studio media.

  • Water-mixable oil paint

    Grumbacher MAX

    A professional oil-paint line formulated to be diluted and cleaned with water instead of conventional oil-paint solvents. The line has been described as offering 60 colors and is positioned for artists who want oil-paint characteristics with a water-compatible working process.

  • Professional oil paint

    Grumbacher PRETESTED

    A professional oil-paint range based on conventional linseed-oil formulations. It has been described as comprising 90 colors and is intended for artists working with traditional oil-paint techniques.

  • Professional watercolor · 2008

    Grumbacher FINEST

    A professional watercolor line returned to the Grumbacher portfolio in 2008. Reference material describes the range as comprising 54 colors and presents it as the brand's higher-grade watercolor offering.

  • Student and collegiate-grade art materials

    Academy

    The Academy family is Grumbacher's collegiate- and student-grade range. It has included oil, acrylic, and watercolor paints, together with three brush lines, and is intended to provide accessible materials for students and developing artists.

  • Artist brushes

    Grumbacher brushes

    Grumbacher produces a broad brush assortment serving different painting techniques and user levels. Reference material identifies nine brush lines across the brand's range, including brush products associated with the Academy family.

  • Artist accessories and painting media

    Grumbacher media and studio supplies

    The supporting portfolio includes painting media, grounds, solvents, varnishes, and other artist accessories. These products complement the paint ranges by supporting surface preparation, paint modification, finishing, and studio maintenance.

Brand decisions

  • 2008

    Return of the FINEST watercolor rangeProduct launch

    Background

    The professional watercolor segment was part of Grumbacher's broader effort to maintain offerings for experienced artists alongside its Academy student range.

    Action taken

    Grumbacher brought back its FINEST professional watercolors in spring 2008.

    Aftermath

    FINEST became the professional watercolor tier alongside Academy watercolors.

  • 2006

    Move from Sanford ownership to Chartpak ownershipM&A

    Background

    Grumbacher had operated as a subsidiary of Sanford L.P., which was part of Newell Rubbermaid, before the ownership transaction.

    Action taken

    Chartpak, Inc. acquired Grumbacher in September 2006.

    Aftermath

    Grumbacher continued as an artist-materials brand under Chartpak. Some watercolor branding associated with the former ownership period was later changed to Prismacolor.

Sources1 sources

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