AATCC EP 1 Grayscale Evaluation Procedure for Color Change

Material Testing

AATCC EP 1 Grayscale Evaluation Procedure for Color Change

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of AATCC EP 1 test. This evaluation procedure describes the use of a grayscale to visually evaluate the overall color change resulting from color fastness tests.

AATCC EP 1 Grayscale Evaluation Procedure for Color Change

Individual color difference components of lightness, chroma, and hue may be noted, but are not quantified by this procedure.

Each color has a hue value, and whatever degree of darkness a color represents in the spectrum of tonal degrees, that is its hue value. This tone value is called chroma, and the tone value they get as they lighten and darken is called the value. Color can be divided into many tonal values, from black to white.

The colors with the highest chroma value are pure colors. The juxtaposition of colors of different intensities is called the chroma difference. The most intense contrast occurs in contrasting colors with the highest chroma.

EUROLAB assists manufacturers with AATCC EP 1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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