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Resolution and Color Depth

Source Institutions

    Oregon Museum of Science and Industry

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Resolution and Color Depth

This computer interactive lets you explore the effect of changing the number of colors and resolution of a picture. You can see the picture in high quality (72 dots per inch), low quality (10 dpi), or in-between (30 dpi). You also can change the color depth from two colors to millions. Background information and extensions are provided, including connections to paintings by artists George Seurat and Roy Lichtenstein.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
Under 5 minutes

Estimated Materials Cost:

Age Range:
Ages 6 - adult

Resource Types:
Activity, Simulation


Materials List (per student)

  • Computer with internet access


  • Engineering and Technology
    • Computing
      • Computer Science
      • Information Technology
    • Technology
      • Information and Communication
  • Life Sciences
    • Human Senses and Perception
      • Vision
  • Physical Sciences
    • Light and Optics
      • Sunlight and Color

Informal Categories

  • Arts and Crafts
  • Computers
  • Electronics


To use this activity, learners need to:

  • see
  • see color
  • use mouse

Learning styles supported:

  • Links STEM to other topics of interest such as arts and humanities


Includes alignment to state and/or national standards

This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, OMSI, ©2004

Funding Source:

  • National Science Foundation, ESI-0206403


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