Yellow Blue Raises ¥70M Seed Round

Yellow Blue, a Tokyo, Japan-based company that provides an AI-powered translation platform for professionals, has raised ¥70 million in Seed funding.

Led by mint Inc., a Tokyo-based venture capital firm founded in 2021 that focuses on Seed and pre-Seed. The firm manages venture capital funds and offers mentoring to entrepreneurs.

The funding will be used to enhance the product, expand marketing efforts, and support overseas expansion, particularly into English-speaking markets.

Founded in 2025, Yellow Blue develops AI-driven translation solutions for professionals like businesspeople, lawyers, and researchers. Its flagship product, Blue One, leverages proprietary context-aware AI to deliver high-accuracy translations while preserving document formatting across multiple file types. The platform integrates terminology consistency, layout correction, and multi-format support. With early adoption across industries and strong performance in specialized domains, Yellow Blue aims to redefine professional-grade translation through its “AI Translation 2.0” approach.

Funding Details

Company: Yellow Blue Co., Ltd.

Raised: ¥70.0M

Round: Seed

Funding Date: April 2026

Lead Investor: mint Inc.

Additional Investors:

Company Website: https://yellowblue1.com/

Software Category: AI / Translation Technology