1. Purpose
The JLA badge is not an official certification mark, but rather an indication to assist self-declaration based on voluntary guidelines established by the Japan Layout Alliance (JLA), a private organization.
We are not affiliated with any official standard or certification system such as JIS (Japanese Industrial Standards) or JISC (Japanese Industrial Standards Committee).
The JLA badge is designed to assist in external representation based on self-declaration of the compatibility class JLA-450 / JLA-425 for the bottom row of Japanese keyboard layouts.
2. Terms of Use
- For use only with your own products, pages, or materials. (Not for third-party distribution or sale).
- Only use badges that match the class designation. (e.g., a JLA-425 badge is not allowed for JLA-450 products).
- Color modification, aspect ratio changes, or deletion/combination of elements are not allowed. (Only size changes are permitted).
- If possible, link the badge or text notation to the JLA page.
3. Credits
- No copyright notice is required on the badge image itself.
- If necessary, please include “JLA Badge © Greenkeys / GreenEchoes Studio” at the bottom of the page (optional).
- If possible, please insert a link to the top of the JLA page in the “JLA Badge © Greenkeys / GreenEchoes Studio” section.
https://green-keys.info/japan-layout-alliance
In addition, the following text is suitable for annotations on product packaging and product pages.
About JLA Badge
This product conforms to the “Dimensional Compatibility Guidelines around Space Bar” as defined by the Japan Layout Alliance (JLA).
The JLA badge is a label to clearly indicate compatibility with replacement keycaps and stabilizers and does not indicate superiority in design concept or arrangement. It does not indicate superiority of design concept or arrangement.JLA aims to create an environment where users can choose products with confidence, while respecting freedom and diversity in design.
4. Prohibitions
- Uses that are false or misleading.
- Use with media that violates public order and morals, or with illegal content.
- Expressions that imply JLA or Greenkeys guarantees product quality.
5. Revocation
If false representation or a guideline violation is confirmed, we will suspend publication and revoke usage permission at our discretion.
6. Downloads
- JLA-450: PNG/SVG (white/black)
- JLA-425: PNG/SVG (white/black)
- JLA-450/425 (both supported): PNG/SVG (white/black)
Badge Usage Details
Color / Background
- Basic colors: Black (for light backgrounds) / White (for dark backgrounds)
- Background must be solid color or low-noise photo. Contrast ratio of at least 8:1 is recommended.
- Color inversion allowed: Only black⇔white inversion permitted. No arbitrary coloring or gradients.
- Transparent version (SVG) only as provided. No borders or drop shadows may be added.
Terms and Conditions
| OK | NG |
|---|---|
| Use in official black/white colors Use at minimum size or larger Background is solid color or low-noise with sufficient contrast | Color changes, shadows, borders, gradients, aspect ratio stretching Rotation, tilting, flipping (horizontal flip) Merging with other logos, iconification, text replacement |
Link Settings (Recommended)
Always set the click destination link to JLA Top Page.
Accessibility
- Alt text:
alt="JLA-450/425 Badge"recommended - Link elements should include
aria-label="JLA TOP"recommended
Version: 1.2 ｜ Last updated: 2025-11-18
Japan Layout Alliance (JLA) is a private voluntary organization that is not affiliated with JIS (Japanese Industrial Standards), JISC, or any Japanese government agency, which are official standards. The guidelines shown on this page are only voluntary proposals to support the improvement of Japanese keyboard compatibility, and have no force or effect as an official certification.