ガイド
画像の主要カラーをすばやく見つける方法
画像の支配的な色を実務向けに素早く抽出する手順です。
高度なデザインツールがなくても、短い抽出と整理で実用的な主要色を取得できます。
Start with one clear reference image
Pick a clean image with a visible main subject and strong color areas.
Busy collages make dominant color detection slower and less reliable.
Sample multiple points in large color regions
Click several points across big areas like backgrounds, product surfaces, or clothing.
This helps you avoid accidental one-pixel outliers.
Keep only your top 3-5 colors
After sampling, remove near-duplicates and keep a small practical set.
Most workflows move faster with a focused shortlist.
- 1-2 base/background colors.
- 1 primary action or brand color.
- 1-2 supporting accents.
Label colors by usage, not by shade name
Names like Primary, Surface, and Accent are easier for handoff than names like Blue 1.
Role-based labels reduce confusion during implementation.
Check readability before final use
Test text and button contrast against your selected colors.
A dominant color is not always usable for UI text or CTAs.
Useful for
- Quick campaign styling.
- Landing page mood checks.
- Preparing starter palettes for teams.
Extract fast, then simplify
Focus on a few dominant colors you can actually apply instead of keeping every sampled value.