1. Purpose
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/jis-layout-alliance
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: Square/Horizontal (White/Black/Transparent)
- JLA-425: Square/Horizontal (White/Black/Transparent)
- JLA-450/425 (Dual Compatible): Square/Horizontal (White/Black/Transparent)
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="JIS Layout Alliance (JLA-450/425) Badge"recommended - Link elements should include
aria-label="JLA TOP"recommended
Version: 1.0 | Last updated: 2025-11-01

