CSS Target Color Filter Generator

CSS Target Color Filter Generator | Online Free Tool | Elysia Tools

Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category: Design
Input types: color
Output type: html
Sample coverage: 4
API ready: Yes

Overview

The CSS Target Color Filter Generator calculates the exact combination of CSS filter functions needed to transform a monochrome base color, such as black or white, into any target hex color. This allows developers to dynamically recolor icons, PNGs, and SVG assets directly in the browser without editing the source image files.

When to use

When you need to match black or white SVG/PNG icons to a specific brand color using only CSS.
When you want to avoid loading multiple colored versions of the same image asset to reduce HTTP requests.
When implementing dynamic theme switching where icon colors must change programmatically based on user preferences.

How it works

1Input the original base color of your image asset, typically solid black (#000000) or solid white (#ffffff).
2Specify your desired target hex color that you want the asset to display in.
3The generator runs an optimization algorithm to find the closest matching CSS filter chain combining invert, sepia, saturate, hue-rotate, brightness, and contrast.
4Copy the generated CSS filter property and apply it directly to your HTML element or stylesheet.

Use cases

Recoloring a library of black UI icons to match a new corporate brand color.
Creating hover states for navigation icons by changing the CSS filter value on mouseover.
Adjusting dark-mode and light-mode icon colors dynamically without swapping image files.

Examples

1. Recoloring Black UI Icons to Brand Orange

Frontend Developer

Background

A developer is building a SaaS dashboard using a set of solid black SVG icons, but the client's brand color is a specific shade of orange (#de8b53).

Problem

The developer wants to style the icons using CSS rather than manually editing and saving dozens of SVG files in vector software.

How to use

Set the Base Color to #000000 and the Target Color to #de8b53, then run the generator.

Base Color: #000000, Target Color: #de8b53

Outcome

The tool generates a CSS filter string (e.g., filter: invert(64%) sepia(41%) saturate(978%) hue-rotate(344deg) brightness(93%) contrast(88%);) that perfectly recolors the black icons to the brand orange.

2. Adapting White Icons for Dark Mode

UI Designer

Background

A designer needs to adapt white navigation icons (#ffffff) to a subtle slate gray (#64748b) for a dark mode interface.

Problem

Swapping image sources causes a brief flicker on slow connections, so a pure CSS solution is preferred.

How to use

FAQ

Why does the tool need a base color?

CSS filter calculations depend entirely on the starting color of the image. A filter applied to a black icon produces a completely different result than when applied to a white icon.

Can I get a 100% perfect color match?

The algorithm calculates the closest possible approximation. While most matches have a loss value near 0%, slight variations may occur depending on the target color.

Does this tool work on multi-colored images?

No, this tool is designed for monochrome assets like solid black or white icons and SVGs. Multi-colored images will not recolor uniformly.

Which CSS filter functions are used in the output?

The generator typically combines invert, sepia, saturate, hue-rotate, brightness, and contrast to achieve the target color.

Is CSS filter recoloring supported in all browsers?

Yes, CSS filters are widely supported in all modern desktop and mobile browsers.

Base Color: #ffffff, Target Color: #64748b

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Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Recoloring Black UI Icons to Brand Orange

2. Adapting White Icons for Dark Mode

FAQ

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