Serialif Color API

⭐ Beginner's Pick Development / No Auth Required Beginner HTTPS
Free to Use Varies (check documentation)

Overview

Serialif Color is a free, no-auth API that converts colors between formats like HEX, RGB, and HSL. It also returns complementary colors, grayscale versions, and high-contrast text colors suitable for accessibility. Perfect for developers building color pickers, design tools, or UI themes without needing any credentials.

💡

Beginner Tip

Just pass a color value in the URL path (e.g., /ffffff) and you get back a full JSON object with multiple color formats instantly. No API key or sign-up required.

Available Data

color hex codes and names
color palette data
RGB/HSL values

Example Response

JSON Response
{
  "status": "success",
  "data": {
    "result": "Data from Serialif Color",
    "description": "Color conversion, complementary, grayscale and contrasted text",
    "timestamp": "2025-01-15T10:00:00Z"
  }
}

Field Reference

base.hex The input color expressed as a HEX code
base.rgb RGB breakdown with r, g, b numeric values
complementary.hex The complementary (opposite on color wheel) color in HEX
grayscale.hex Grayscale version of the input color
contrasted_text.hex High-contrast text color (black or white) for use on the input color background

Implementation Example

const url = "https://color.serialif.com/";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

404 Not Found Invalid or malformed color value in the URL path
Ensure the color is a valid 6-digit HEX code without the # symbol, e.g., /1a2b3c
Unexpected JSON format Requesting a color format the API does not recognize
Use plain 6-digit HEX strings in the path; check the API docs for supported input formats
Empty response Missing color value in the request path
Always include a color value directly in the URL path, e.g., https://color.serialif.com/ff6600

Matrix Score Breakdown

🌐 Reachability 0/30
⚡ Speed 5/20
🔒 Security 15/15
🛠 Developer XP 12/20
✓ Reliability 7/15
Response Time 1437ms

Fully tested on Apr 5, 2026

Technical Specifications

Auth No Auth
HTTPS REQUIRED
CORS NO
Category Development
Difficulty Beginner
Verified: 2026-04-04

Similar APIs

View All →