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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 04/12/2025

👏 congratulations to JCB for picky color-blind friendly covers all year (or... almost 😉). An inspiration for other journals.

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 12/05/2025

This picture of Pope Francis, happy in his Bird of Paradise traditional headset, was taken during his visit of Vanimo, Papua New Guinea. This small city gave its name to one of these Diverging scientific color palettes (www.researchgate.net/publication/...)

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 17/04/2025

💛💙💜 Cyan Magenta Yellow contrasts in both microscopy images and heatmaps throughout the paper 💛💙💜

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Chenxin Li, PhD @chenxinli2.bsky.social · 12/11/2024

Here is a thread showcasing my GitHub repositories: 1) Friends Don't Let Friends Make Bad Graphs. An opinionated essay on good and bad graphs. My popular one by a long shot with 6.4k stars and 248 forks. github.com/cxli233/Frie...

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Christine Beeton @christinebeeton.bsky.social · 08/12/2024

Having a color-blind colleague is a good reminder that we need to be more careful when designing figures for scientific publication 🧪 My lab has found this page especially useful for selecting color palettes, used in combination with different symbols: thenode.biologists.com/data-visuali...

thenode.biologists.com

Color blind friendly palettes for data visualizations with categories

A discussion of color blind friendly palettes for labeling unique catergories in data visualization.

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Etche_homo @etche.bsky.social · 09/12/2024

We are partial to the "polychrome" palette when there are tens of single-cell clusters to distinguish, over the default ggplot colors. Even without a named handicap I can't distinguish the pinks or green-cyan-blue neighbors. cran.r-project.org/web/packages...

cran.r-project.org

Overview of the ‘pals’ package

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Philip Hubbard @philiphubbard.bsky.social · 29/11/2024

Thanks for citing Paul Tol's work. The palettes have nice colors, and it's easy to get the needed size: $ conda install bokeh $ python >>> import bokeh.palettes >>> for i in range(3, 24): ... print(bokeh.palettes.tol['TolRainbow'][i]) ('#1965B0', '#F7F056', '#DC050C') etc. personal.sron.nl/~pault

personal.sron.nl

Paul Tol's Notes

Clear colour schemes that also work for colour-blind readers.

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 27/11/2024

(pls amplify) Fresh off the press in the journal Nature today, groundbreaking work in immunogenetics. I have no doubts that the 4% holds some of the keys to cure cancer one day. Authors did a good job in other figures, we need journals to be more prescriptive about this @natureportfolio.bsky.social

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Matt Sikora @mjsikora.bsky.social · 25/11/2024

Public Service Announcement: Check colorblind-compatibility in Illustrator! Under 'View', 'Proof Setup' you can selected a colorblindness type to view your image in that spectra. Click 'Proof Colors' after to remove filter. We chose pink/green, yellow/blue here for accessibility (PMID 38112643).

Screen capture of an Adobe Illustrator window in standard viewing mode (that is, without colorblind filter applied).

Screen capture of an Adobe Illustrator window with 'View' menu pulled down, showing selection of a relevant colorblindness filter being applied.

Screen capture of an Adobe Illustrator window with the previous image in a protanopia-type colorblindness mode applied.

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 26/11/2024

more thoughts on the TolRainbow palette for discontinuous/discrete categorical data (e.g for omics with >12 clusters, chromosomes, etc) If you look at the base of the pyramid and skip 19,21,23, you get 20 colors with a lot of range for both di- and trichromats

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Samuel Marsh Ph.D. @samuelmarsh.bsky.social · 25/11/2024

To be fair to Seurat it’s really applicable to all of ggplot2 but amplified by single cell visuals with lots of groups on single plot. scCustomize sets some better defaults that help with lots of the issues. :) samuel-marsh.github.io/scCustomize/...

samuel-marsh.github.io

Customized Color Palettes & Themes

scCustomize

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Benjamin Werner @benjaminwerner.bsky.social · 25/11/2024

Both versions look identical to me. Maybe one reason I am not much into single cell genomics that is not sequencing :)

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 25/11/2024

(please amplify) 4% of scientists face an important barrier to an the ENTIRE FIELD of single-cell genomics and here is why

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 25/11/2024

@science.org Sorry to be trolling already (this one is from 10.1126/sciadv.ado4167) but a lot of your papers are hard to read for 4% of scientists. Other journals like the New Phytologist issue guidance about figure color accessibility. You could also ask your editors to do better 💜thank you💚 Chloe

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 25/11/2024

@jcellsci.bsky.social so happy to see you here! Hey sorry to be a troll but ... (spare the rod, spoil the child)

Chloe thinks we should not normalize figures that can't be seen by 4% of scientists

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 24/11/2024

@natureportfolio.bsky.social The new paper on methane plumes in NatureGeo looks amazing but it's hard to read the figures. Could you issue editorial guidelines on color palettes to be more inclusive?

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Fabio Crameri @fabiocrameri.ch · 06/09/2024

If you missed my live webinar on scientific #colour use, "Seeing the Unseen" ( #SpaceScience version), you can rewatch the complete recording here: youtu.be/QJK8BgihT_c #UseBatlow #DataViz #ISSIGameChangers 📊

youtu.be

Seeing the Unseen: Accurate and Inclusive Colour Scales in Space Science

YouTube video by International Space Science Institute

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 23/11/2024

This deserves ETERNAL PRAISE. Journals and editors please pay attention 🤍

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Axel Visel @axelvisel.bsky.social · 23/11/2024

For the remaining 96% who are curious, here is the direct comparison. Minor difference in full spectrum view, major difference in protanopia and deuteranopia view. See alt text for Photoshop instructions.

Comparison of red-green and red-magenta color scheme of embryo screenshot from video in this thread, comparing full spectrum view and simulated protanopia and deuteranopia colorblindness. For Photoshop users: Go to View -> Proof Setup -> Color Blindness to preview your figure in these modes.

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Tyler Lane @tylerlane.bsky.social · 21/11/2024

What you’re saying anytime you use red and green in your data visualisations. #dataviz #rstats

Ishihara test for colourblindness where the red text on a green background says “fuck the color blind”.

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 23/11/2024

hello @newphyt.bsky.social 🌿 this works seems really cool but 🟠/🟢 🤷‍♀️, could you issue editorial guidance regarding figure prep puleez? I know these colors look like plants but if the data look like this, I can't become a phytologist 😭 💜💚 🧡💙 🤍🖤

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Dichromat Chloe (4% of scientists) @dichromat-chloe.bsky.social · 23/11/2024

@biologists.bsky.social I love your journals, would even more if editors could enforce color accessibility. Thank you! Chloe 🧡💙 💜💚

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