Design
图片主要颜色提取器
使用多种算法从图片中提取主要颜色，包括K-means聚类和直方图分析
json· JSON 结果打开工具
快速开始
用三种语言从你的代码中调用此工具。
cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/image-color-extractor' \
-H 'Content-Type: application/json' \
-d '{"filename":"imageFile.ext","contentType":"application/octet-stream","size":12345}'
# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
--data-binary @/path/to/file.ext
# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/zh/api/tools/image-color-extractor' \
-F 'imageFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext' \
-F 'colorCount=5' \
-F 'algorithm=kmeans' \
-F 'colorFormat=hex' \
-F 'sampleSize=10000' \
-F 'ignoreWhite=false' \
-F 'ignoreBlack=false'