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CEPATO Technical Note2026.08.09

I Made a Pixel-Art Bead Tool for the Arknights 奇象巡展

A browser tool that turns images into 24x24 pixel-art color layouts for the Arknights pixel drawing event.

Chongxi
Author:Chongxi
steam: —·spotify: —
Tags:#Games#Development
ANALYSIS

Didn’t Arknights just add a 奇象巡展 update? There’s a pixel-art feature in it that gives you a 24x24 pixel canvas and forty colors. When I draw certain particularly complex images I’m genuinely low-skill — I just can’t get them right no matter how I try — so I ended up building an automatic compression tool and then drawing pixel by pixel following the prompts

The final product is: Arknights 奇象巡演 pixel-art color picker

Chongxi’s background is React, so naturally I chose Vite + React as the foundation. As for the UI, I built a set of components myself; my current network of sites basically all use the same design, similar to Lone Trail

The canvas is the very common canvas. As for those forty color values, I actually picked them one by one by hand using macOS’s built-in color picker in sRGB

Later I found that hunting for colors one by one was really inconvenient, so I just copied the in-game color layout; whichever color you select is automatically highlighted

As for automation: first, I really haven’t learned OCR. Even though this kind of thing with a clear grid genuinely isn’t hard to do (probably), I’m still a bit lazy and don’t really want to (lol). Second, devices are too fragmented — you’d have to figure out how to do it for every device and platform, and the way each platform simulates touch taps is different. Doing them one by one would take far too much time. But I left a way out: for anyone who wants to do automation later, I provided a JSON export that marks what color to paint at every coordinate on the canvas (it even writes out which row and which position that color is in). If you want to make it automatic, give it a try. I’ve been studying reverse engineering lately and really don’t have the energy to learn a few more things (x Below is a screenshot of the finished product

Arknights 奇象巡展 pixel-art color picker - screenshot

It looks pretty good overall. If you use it, I recommend sticking to small images — 24x24 is tiny, and a very large image will get squashed down to a stick and you won’t be able to make anything out

Chongxi
CHONGXIAuthor
Steam—
Spotify—
Published at:2026.08.09
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I Made a Pixel-Art Bead Tool for the Arknights 奇象巡展

Author CHONGXI/2026.08.09/CEPATO-2026-0809-ARK24

This work is licensed under CC BY-NC-SA 4.0. Redistribution, remixing and adaptation are allowed for non-commercial use, provided the same license is used and the original author is credited.

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