Own Languo Markers? Here's How to Find Their Closest Guangna Match
Languo and Guangna use completely different numbering systems, and neither publishes an official cross-reference between the two. If your painting guide calls for a Guangna code but your marker roll only has Languo codes printed on it, you're normally stuck guessing. The Languo to Guangna Converter removes the guesswork: type in a Languo code, and it tells you exactly which Guangna markers come closest — not by eye, but by measuring the actual color distance between them.
1. Enter Your Languo Code
Type the code exactly as it's printed on your marker, in the format used across the Languo Art 288 line — for example, RY-06. If a code isn't recognized, the converter tells you directly rather than silently returning nothing.
2. Optionally Narrow It to Markers You Own
Under "My Markers," select the Guangna set(s) you actually have, or list extra individual codes. This adds a second result showing the closest match from markers you already own, alongside the best match available across the full Guangna lineup — so you can see both what's technically closest and what's actually usable right now.
3. Get Your Top 3 Matches
Rather than a single "best guess," you get the three closest Guangna codes, ranked nearest-first. Sometimes the top result is an obvious winner; other times it's a genuine toss-up between two or three very close options. Seeing all three lets you make that judgment call yourself instead of trusting a single number blindly.
How the Matching Actually Works
Every marker's color starts as a measured RGB value, but RGB alone isn't a reliable way to judge how different two colors actually look to a human eye — two colors can be numerically far apart but look nearly identical, or the reverse. To fix that, the converter first converts every color into Lab color space, which is built specifically so numeric distance lines up with visual distance much more closely than RGB does. It then measures the distance between colors using Delta E (CIE 1976), a standard formula for expressing how different two colors look as a single number — the smaller the number, the closer the visual match.
Frequently Asked Questions: Languo to Guangna Converter
Q: What is Delta E, in plain terms?
It's a standard way of measuring how different two colors look to the human eye, expressed as one number. A lower Delta E means the colors are closer visually — it's the same math color scientists and printers use to judge color accuracy.
Q: Why do I get 3 matches instead of just 1?
Because sometimes the single best match is an obvious standout, and sometimes two or three markers are all extremely close. Showing three lets you decide for yourself rather than trusting one number when the real answer is closer to a tie.
Q: Will the printed color match exactly?
It'll be very close, but not guaranteed pixel-perfect. Screen colors and printed ink under real lighting are never perfectly identical, and ink batches, paper type, and marker age all introduce small variations. Always test on scrap paper before committing to a large area.
Q: What if I don't own any Guangna markers yet?
You'll still get the top 3 closest matches overall — the "My Markers" step is entirely optional and only adds a second, narrower result on top of that.
Q: How is this different from the Color Converter?
The Color Converter matches a hex code, RGB value, or photographed color — any single color you give it. This tool is specifically for when you're starting from a Languo code and want its Guangna equivalent.