sashiiro ga tsuyoi.

The accent color is strong.

Breakdown of sashiiro ga tsuyoi.

• が: subject particle
• 強つよい: strong
• 差さし色いろ: an accent color

Questions & Answers about sashiiro ga tsuyoi.

How do you read 差し色?

It is usually read さしいろ.

• 差し色 = an accent color, meaning a small but noticeable color used to stand out in an outfit, room, design, etc.
• In fashion and design, it often means a color that adds contrast or a visual highlight.

What exactly does 差し色 mean here?

差し色 refers to a color that is added as an accent.

For example:

• mostly neutral clothes + one red bag
• a simple room + one bright cushion
• a plain design + one vivid highlight color

So it is not just color in general. It specifically means a color used to create emphasis or contrast.

Why is が used here?

が marks 差し色 as the thing being described by 強い.

So the structure is:

• 差し色 = the accent color
• が = subject marker
• 強い = strong / intense / prominent

A natural way to think of it is:

• The accent color is strong.
• The accent color stands out a lot.

In short, が points to what has the quality of being strong.