Effective Visualization (Color) Design

Feb 8, 2017 · Boston, United States of America


6:30 - 7:00 - hang out, demos

We will have pizza and beer! This meetup is sponsored by OpenVis Conf, a 2-day conference about the practice of Data Visualization on the open web. See the lineup on http://OpenVisConf.com! - Be sure to join us in person to get a discount code for meetup attendees.

7:00 - talk start


This talk will cover common limitations for making categorical visualization color palettes, and will also discuss how a new tool, Colorgorical, can help automate the palette design process. By dragging sliders in Colorgorical, users can manipulate color palette discriminability and preference importances, as well as control a variety of other attributes like the number of colors, predefining colors that should always be included, and whether to limit color selection to certain hues. After introducing concepts from color science, the talk will delve into how Colorgorical works under the hood, and also overview how it is able to automatically produce palettes that are as discriminable and typically more preferable than the defaults included in ColorBrewer, Microsoft, and Tableau. Colorgorical is open sourced and available to try out online at http://gramaz.io/colorgorical.


Connor Gramazio is a computer science PhD Candidate and NSF Graduate Research Fellow at Brown University. His research focuses on expanding our understanding of effective design practices and developing new computational techniques to improve visualization design. Prior to Brown, he graduated from Tufts University with a BS in Computer Science and a minor in Religion.

Event organizers
  • Boston Data Visualization

    We are starting back up again! Boston has an amazing group of people who not only create beautiful data visualization work, but also push the entire field forward with their contribution to the open source and academic communities. This meetup will aim to bring those people and anyone interested in data visualization together, fostering a community, creating a space for learning, and exploring ways to build new partnerships and expand the disciplinary territory of data design and visualization. The meetup

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