We and selected partners use cookies and similar technologies. Some are technically necessary, others we use - with your consent - for functionality, statistics and marketing (e.g. personalized advertising).
You can find details in our cookie policy.
In the context of advertising, we and selected third-party providers may collect location data and device characteristics, e.g. to display personalized ads, measure content and analyze target groups.
You can give, refuse or withdraw your consent at any time via the 'Settings' button. If you refuse, some functions may only be available to a limited extent.
Your privacy settings
On this settings page, you can specify how your personal data is processed.
You can change your decision at any time using the link provided.
To consent to the processing described below, move the switches accordingly. Alternatively, you can deactivate all options using the 'Reject all' button and then save your selection.
This policy describes the technologies we use to store or access information on your device - for example, through cookies or similar methods. This enables us to realize the purposes listed here as soon as you access or use our website.
For the sake of simplicity, we use the term 'tracker' for all technologies used. The term 'cookie' is only used when we explicitly mean cookies in the browser.
Some processing with trackers requires your consent. You can revoke this at any time - you will find the options for doing so in this policy.
We use both our own trackers ('first-party') and third-party services ('third-party'). The lifespan of individual cookies depends on the provider - some end when the browser is closed, others remain stored for longer. Details can be found below or in the privacy policies of the respective third-party providers.
How we use trackers
1. functionality
This website uses cookies and similar technologies that are necessary to provide basic functions and requested services
.
Technical cookies
Runtime:
qConv_cookie_notice: 1 year
qConv_theme: 1 year
qConv_lang: 1 year
qConv_theme_form: 1 year
qConv_sign_in_id: 1 month
qConv_sign_in_key: 1 month
2. measurement of success
We use trackers to measure visitor numbers and evaluate user behavior. This enables us to continuously improve our website
.
Matomo (self-hosted)
Matomo is an open source analytics software that we run directly on our servers. No data is passed on to third parties.
Data collected: IP address, usage data, cookies
Runtimes:
_pk_cvar*: 30 minutes
_pk_id*: 2 years
_pk_ref*: 7 months
_pk_ses*: 30 minutes
_pk_testcookie*: Session duration
3. marketing
We use trackers to display personalized advertising and measure its effectiveness
.
Some of these services are part of the IAB Transparency and Consent Framework, which provides more transparency and control over online advertising. qConv uses iubenda (ID 123) as its consent management platform.
Google AdSense (Google Ireland Limited)
Google AdSense is an advertising system that uses cookies ('DoubleClick') to analyze the use of our website and responses to ads. Users can deactivate DoubleClick cookies via the ad settings.
You can change your selection at any time via the cookie banner on this website
For third-party trackers, additional opt-out links are available in their privacy policies. Alternatively, you can use your browser or device settings:
For mobile apps, you can use the device settings for advertising or tracking. In the USA, Canada, Japan and the EU, there are also self-regulatory platforms such as YourOnlineChoices or AppChoices.
Consequences of a refusal
If you refuse the use of trackers, some functions of our website may not be available or may only be available to a limited extent.
Provider and controller
Bobby Zuber
NIE: Y4291153B
Calle Vista Valle 34, Villa 4
38768 El Paso
Santa Cruz de Tenerife, Spain
Email: [email protected]
As we cannot fully control all third-party trackers, we refer to the privacy policies of the respective providers for detailed information. If you have any questions, please contact us directly.
Terms
Personal data: information that can be used to directly or indirectly identify a person
.
Usage data: Automatically collected data such as IP address, browser information, length of visit or click paths.
Tracker: Technologies such as cookies, pixels, scripts or fingerprinting.
Cookie: Small text file that is stored in the browser.
Controller: The person or body that decides on the purposes and means of data processing.
New API V3.0: Get our API at a special price. Get it now. Get more detailed color conversion results - perfect for web projects, plugins, internal tools or SaaS applications. Valid from 2025-10-21 up to and including 2025-11-21 (23:59 CET)
First enter the color code to find the conversion and the best matching colors. After that, you can create palettes by clicking on and download color samples.
If you want to use web colors with transparency effects, you can convert Hexadecimal to RGBA. The six-digit hexadecimal code (#RRGGBB) is split into its three color components for red, green, and blue and extended with an additional value for transparency (alpha).
The conversion from Hex to RGBA allows you to flexibly manage colors in web design, UI layouts, or CSS animations — for example, for shadows, overlays, or gradients. qConv automatically converts your Hex value and provides the exact RGBA values ready to use in your code.
Since both systems use the same RGB color space, the only difference is the fourth value, which controls opacity — a practical advantage for modern front-end development and responsive design.
How does the conversion work?
In the conversion from Hex to RGBA, the three color pairs of the Hex value are converted into decimal values between 0 and 255. The alpha value (transparency) is then added as a decimal number between 0 (fully transparent) and 1 (fully opaque).
For example, the Hex value #FF5733 converts to the following RGB components:
Red = FF → 255
Green = 57 → 87
Blue = 33 → 51
In RGBA notation, this becomes: rgba(255, 87, 51, 1).
To display the same color as half transparent, set the alpha value to 0.5: rgba(255, 87, 51, 0.5). qConv performs this Hex to RGBA conversion automatically and also lets you adjust the transparency level via slider or input field.
Example & Application
Example: The Hex color #00BFFF (a bright blue) converts to rgba(0, 191, 255, 1). With 40% transparency, it becomes rgba(0, 191, 255, 0.4). qConv calculates these values instantly and displays the visual result in real time.
The conversion from Hex to RGBA is ideal for web designers and developers working with dynamic elements or modern design systems. It offers full control over color transparency and ensures perfect consistency between design tools and CSS code.
Our tip: Use the Hex→RGBA conversion in qConv when you want to adjust existing web colors for hover effects, background overlays, or shadows — fast, precise, and ready to use in your front end.
* Note:
qConv.com searches for the next matching color from the selected color palette. In most cases, there will be minimal or apparent color differences because there is not an exact match for every color.
The hexadecimal color system is one of the most widely used methods for representing colors in digital media. It combines the three primary colors — Red, Green, and Blue — and expresses their values using hexadecimal notation. Each color component is represented by two characters, forming a six-digit code such as #FF5733.
The first two digits represent red, the middle two green, and the last two blue. The range of each pair goes from 00 to FF, corresponding to 0–255 in decimal values. With this structure, there are a total of 16,777,216 possible hexadecimal colors, covering nearly the full visible RGB color range.
Usage
Hexadecimal color codes are the standard for web design, front-end development, and digital branding. They are supported in HTML, CSS, SVG, and nearly all design applications. HEX values are compact, easy to read, and ideal for defining precise colors in digital interfaces, animations, and style sheets.
In professional design workflows, HEX values are often used alongside RGB or HSL to ensure consistency across screens. Designers can also use HEX-to-RGB conversions to fine-tune colors for print simulations or cross-platform visual harmony.
Tips for Designers & Developers
When creating color palettes, group HEX values that share visual harmony — for instance, complementary or analogous combinations. Use lowercase HEX (e.g. #a1b2c3) for better readability and code consistency.
With qConv, you can instantly convert HEX colors into RGB, CMYK, or Pantone® equivalents, generate gradients, or explore related shades and tints. Perfect for designers and developers seeking pixel-perfect color accuracy.
The RGBA color model expands the classic RGB system (Red, Green, Blue) by adding a fourth value — the alpha channel. This represents transparency or opacity, allowing for the display of semi-transparent layers in digital media.
The red, green, and blue components each range from 0 to 255, while the alpha value is expressed as a decimal between 0 and 1. A value of 0 means full transparency, and 1 represents full opacity. This combination enables countless RGBA variations and is widely used in web design and modern user interfaces to create light, depth, and layered effects.
Usage
RGBA is a core part of modern front-end development. In CSS, SVG, and Canvas elements, the alpha channel is used to control transparency for shadows, overlays, buttons, or hover states. UI-prototyping tools like Figma or Adobe XD also use RGBA to create realistic depth and visual transitions.
Because RGBA is based on the RGB color space, it’s ideal for digital display but not suitable for print. When exporting to CMYK or Pantone®, transparency is mathematically flattened or removed, so designers should review transparency effects before conversion.
Tips for Designers & Agencies
Use RGBA colors to achieve subtle light and shadow effects in your web projects. An alpha value between 0.2–0.5 works perfectly for overlays or glassmorphism effects in modern UI design.
With qConv, you can precisely convert any RGBA color into other color systems and see how transparency affects perception. This ensures consistent designs across digital and print workflows.