New: API packages available

Our new API now gives you even more control over color conversion - perfect for web projects, plugins, internal tools or SaaS applications.
Create multiple API keys, manage your monthly token quota and flexibly integrate qConv into your applications.

Up to 2025-08-15: Introductory prices on all packages!

VIEW NOW X

CSS Gradients:
RGB 21 5 4

Information

close all

We suggest CSS gradients from two color tones such as the base color and the complementary color.

Find examples of linear and radial color transitions.

Easy for web design: Copy the CSS code for easy integration on your website.

Get CSS gradients from two color tones like the base color and a lighter shade.

Find examples of linear and radial color transitions from Lighter colors.

Simple for web design: Copy the CSS code for easy integration on your website

Let us suggest CSS gradients from two shades like the base color and a darker shade.

Find examples of linear and radial color transitions of Darker colors.

Easy for Web Design: Copy the CSS code for easy integration on your website.

Display options

Description

Dark color: low color values appear darker.

The breakdown of the color into the RGB color system: of 255 maximum color components, 21 red, 5 green and 4 blue.

The mixing ratio of these colors results in the displayed hue in the middle of the overlaps.

In the illustration you can see how the color is composed of the three components: red (top),green (bottom right) and blue (bottom left). In the middle you can see the result color.
21 5 4 R G B
In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, none cyan, 76 magenta, 81 yellow and 92 key.

The mixing ratio of these colors results in the displayed hue in the middle of the overlaps.

In the diagram you can see how the color is composed of the four components cyan (top left),magenta (top right),yellow (bottom right) and black or key (bottom left). In the middle you can see the result color.
0% 76% 81% 92% C M Y K

Verification of their color palette as a manufacturer!

Provide designers and agencies with accurate color values.

Let's go

Lineal

HEX #150504 to HEX #EAFAFB


CSS-Code:

background-image: linear-gradient(135deg, #150504 0%, #EAFAFB 95%);

Radial

HEX #150504 to HEX #EAFAFB


CSS-Code:

background-image: radial-gradient(circle, #150504 11%, #EAFAFB 96%);

 

HEX #EAFAFB to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #EAFAFB 14%, #150504 100%);

 

HEX #EAFAFB to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #EAFAFB 1%, #150504 93%);

Lineal

HEX #150504 to HEX #150407


CSS-Code:

background-image: linear-gradient(135deg, #150504 8%, #150407 90%);

Radial

HEX #150504 to HEX #150407


CSS-Code:

background-image: radial-gradient(circle, #150504 8%, #150407 88%);

 

HEX #150407 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150407 12%, #150504 90%);

 

HEX #150407 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150407 5%, #150504 100%);

 

HEX #150504 to HEX #150404


CSS-Code:

background-image: linear-gradient(135deg, #150504 12%, #150404 93%);

 

HEX #150504 to HEX #150404


CSS-Code:

background-image: radial-gradient(circle, #150504 8%, #150404 86%);

 

HEX #150404 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150404 11%, #150504 94%);

 

HEX #150404 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150404 0%, #150504 94%);

 

HEX #150504 to HEX #150904


CSS-Code:

background-image: linear-gradient(135deg, #150504 8%, #150904 100%);

 

HEX #150504 to HEX #150904


CSS-Code:

background-image: radial-gradient(circle, #150504 13%, #150904 92%);

 

HEX #150904 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150904 4%, #150504 89%);

 

HEX #150904 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150904 14%, #150504 93%);

 

HEX #150504 to HEX #150E04


CSS-Code:

background-image: linear-gradient(135deg, #150504 6%, #150E04 97%);

 

HEX #150504 to HEX #150E04


CSS-Code:

background-image: radial-gradient(circle, #150504 8%, #150E04 98%);

 

HEX #150E04 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150E04 0%, #150504 92%);

 

HEX #150E04 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150E04 5%, #150504 99%);

Lineal

HEX #150504 to HEX #150407


CSS-Code:

background-image: linear-gradient(135deg, #150504 11%, #150407 95%);

Radial

HEX #150504 to HEX #150407


CSS-Code:

background-image: radial-gradient(circle, #150504 11%, #150407 94%);

 

HEX #150407 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150407 14%, #150504 89%);

 

HEX #150407 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150407 0%, #150504 99%);

 

HEX #150504 to HEX #150404


CSS-Code:

background-image: linear-gradient(135deg, #150504 9%, #150404 91%);

 

HEX #150504 to HEX #150404


CSS-Code:

background-image: radial-gradient(circle, #150504 7%, #150404 99%);

 

HEX #150404 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150404 14%, #150504 96%);

 

HEX #150404 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150404 14%, #150504 98%);

 

HEX #150504 to HEX #150904


CSS-Code:

background-image: linear-gradient(135deg, #150504 1%, #150904 86%);

 

HEX #150504 to HEX #150904


CSS-Code:

background-image: radial-gradient(circle, #150504 10%, #150904 94%);

 

HEX #150904 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150904 6%, #150504 86%);

 

HEX #150904 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150904 10%, #150504 93%);

 

HEX #150504 to HEX #150E04


CSS-Code:

background-image: linear-gradient(135deg, #150504 1%, #150E04 98%);

 

HEX #150504 to HEX #150E04


CSS-Code:

background-image: radial-gradient(circle, #150504 12%, #150E04 90%);

 

HEX #150E04 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #150E04 6%, #150504 100%);

 

HEX #150E04 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #150E04 12%, #150504 96%);

Lineal

HEX #150504 to HEX #111504


CSS-Code:

background-image: linear-gradient(135deg, #150504 1%, #111504 94%);

Radial

HEX #150504 to HEX #111504


CSS-Code:

background-image: radial-gradient(circle, #150504 4%, #111504 95%);

 

HEX #111504 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #111504 11%, #150504 92%);

 

HEX #111504 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #111504 4%, #150504 89%);

 

HEX #150504 to HEX #040A15


CSS-Code:

background-image: linear-gradient(135deg, #150504 9%, #040A15 89%);

 

HEX #150504 to HEX #040A15


CSS-Code:

background-image: radial-gradient(circle, #150504 13%, #040A15 97%);

 

HEX #040A15 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #040A15 6%, #150504 95%);

 

HEX #040A15 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #040A15 11%, #150504 92%);

Lineal

HEX #150504 to HEX #041504


CSS-Code:

background-image: linear-gradient(135deg, #150504 4%, #041504 91%);

Radial

HEX #150504 to HEX #041504


CSS-Code:

background-image: radial-gradient(circle, #150504 2%, #041504 91%);

 

HEX #041504 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #041504 14%, #150504 99%);

 

HEX #041504 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #041504 9%, #150504 94%);

 

HEX #150504 to HEX #040415


CSS-Code:

background-image: linear-gradient(135deg, #150504 2%, #040415 93%);

 

HEX #150504 to HEX #040415


CSS-Code:

background-image: radial-gradient(circle, #150504 1%, #040415 100%);

 

HEX #040415 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #040415 13%, #150504 88%);

 

HEX #040415 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #040415 13%, #150504 92%);

Lineal

HEX #150504 to HEX #111504


CSS-Code:

background-image: linear-gradient(135deg, #150504 3%, #111504 100%);

Radial

HEX #150504 to HEX #111504


CSS-Code:

background-image: radial-gradient(circle, #150504 5%, #111504 100%);

 

HEX #111504 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #111504 8%, #150504 94%);

 

HEX #111504 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #111504 9%, #150504 99%);

 

HEX #150504 to HEX #041415


CSS-Code:

background-image: linear-gradient(135deg, #150504 1%, #041415 98%);

 

HEX #150504 to HEX #041415


CSS-Code:

background-image: radial-gradient(circle, #150504 3%, #041415 97%);

 

HEX #041415 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #041415 1%, #150504 88%);

 

HEX #041415 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #041415 4%, #150504 86%);

 

HEX #150504 to HEX #080415


CSS-Code:

background-image: linear-gradient(135deg, #150504 0%, #080415 86%);

 

HEX #150504 to HEX #080415


CSS-Code:

background-image: radial-gradient(circle, #150504 7%, #080415 100%);

 

HEX #080415 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #080415 11%, #150504 95%);

 

HEX #080415 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #080415 10%, #150504 91%);

Lineal

HEX #150504 to HEX #0B1504


CSS-Code:

background-image: linear-gradient(135deg, #150504 7%, #0B1504 97%);

Radial

HEX #150504 to HEX #0B1504


CSS-Code:

background-image: radial-gradient(circle, #150504 0%, #0B1504 94%);

 

HEX #0B1504 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #0B1504 13%, #150504 87%);

 

HEX #0B1504 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #0B1504 14%, #150504 92%);

 

HEX #150504 to HEX #041415


CSS-Code:

background-image: linear-gradient(135deg, #150504 14%, #041415 94%);

 

HEX #150504 to HEX #041415


CSS-Code:

background-image: radial-gradient(circle, #150504 3%, #041415 93%);

 

HEX #041415 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #041415 11%, #150504 91%);

 

HEX #041415 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #041415 1%, #150504 87%);

 

HEX #150504 to HEX #0D0415


CSS-Code:

background-image: linear-gradient(135deg, #150504 6%, #0D0415 97%);

 

HEX #150504 to HEX #0D0415


CSS-Code:

background-image: radial-gradient(circle, #150504 12%, #0D0415 95%);

 

HEX #0D0415 to HEX #150504


CSS-Code:

background-image: linear-gradient(135deg, #0D0415 10%, #150504 89%);

 

HEX #0D0415 to HEX #150504


CSS-Code:

background-image: radial-gradient(circle, #0D0415 8%, #150504 91%);

Show more color palettes

Services

Colors

RGB to HEX

convert from RGB red green blue to #RRGGBB

RGB to CMYK

convert from RGB red green blue to CMYK cyan / magenta / yellow / black

Icons

RGB to RAL®

convert from RGB red green blue to RAL®-number (RAL 0000)

RGB to HKS®

convert from RGB red green blue to HKS®-number (HKS 00)

RGB to PANTONE®

convert from RGB red green blue to Pantone®-number (Pantone 0000)

RGB to Sherwin Williams®

convert from RGB red green blue to Sherwin Williams®-number (SW 0000)

RGB to NCS®

convert from RGB red green blue to NCS-number (S0000-X00X)

nsc-logo

RGBA to HEX

convert from RGBA red green blue transparency to #RRGGBB

RGBA to CMYK

convert from RGBA red green blue transparency to CMYK cyan / magenta / yellow / black

Icons

RGBA to RAL®

convert from RGBA red green blue transparency to RAL®-number (RAL 0000)

RGBA to HKS®

convert from RGBA red green blue transparency to HKS®-number (HKS 00)

RGBA to PANTONE®

convert from RGBA red green blue transparency to Pantone®-number (Pantone 0000)

RGBA to Sherwin Williams®

convert from RGBA red green blue transparency to Sherwin Williams®-number (SW 0000)

RGBA to NCS®

convert from RGBA red green blue transparency to NCS-number (S0000-X00X)

nsc-logo

CMYK to HEX

convert from CMYK cyan / magenta / yellow / black to #RRGGBB

CMYK to RGB

convert from CMYK cyan / magenta / yellow / black to RGB red green blue

CMYK to RGBA

convert from CMYK cyan / magenta / yellow / black to RGBA red green blue transparency

CMYK to RAL®

convert from CMYK cyan / magenta / yellow / black to RAL®-number (RAL 0000)

CMYK to HKS®

convert from CMYK cyan / magenta / yellow / black to HKS®-number (HKS 00)

CMYK to PANTONE®

convert from CMYK cyan / magenta / yellow / black to Pantone®-number (Pantone 0000)

CMYK to Sherwin Williams®

convert from CMYK cyan / magenta / yellow / black to Sherwin Williams®-number (SW 0000)

CMYK to NCS®

convert from CMYK cyan / magenta / yellow / black to NCS-number (S0000-X00X)

nsc-logo

HEX to RGB

convert from #RRGGBB to RGB red green blue

HEX to RGBA

convert from #RRGGBB to RGBA red green blue transparency

HEX to CMYK

convert from #RRGGBB to CMYK cyan / magenta / yellow / black

Icons

HEX to RAL®

convert from #RRGGBB to RAL®-number (RAL 0000)

HEX to HKS®

convert from #RRGGBB to HKS®-number (HKS 00)

HEX to PANTONE®

convert from #RRGGBB to Pantone®-number (Pantone 0000)

HEX to Sherwin Williams®

convert from #RRGGBB to Sherwin Williams®-number (SW 0000)

HEX to NCS®

convert from #RRGGBB to NCS-number (S0000-X00X)

nsc-logo

RAL® to RGB

convert from RAL®-number (RAL 0000) to RGB red green blue

RAL® to RGBA

convert from RAL®-number (RAL 0000) to RGBA red green blue transparency

RAL® to CMYK

convert from RAL®-number (RAL 0000) to CMYK cyan / magenta / yellow / black

Icons

RAL® to HEX

convert from RAL®-number (RAL 0000) to #RRGGBB

RAL® to HKS®

convert from RAL®-number (RAL 0000) to HKS®-number (HKS 00)

RAL® to PANTONE®

convert from RAL®-number (RAL 0000) to Pantone®-number (Pantone 0000)

RAL® to Sherwin Williams®

convert from RAL®-number (RAL 0000) to Sherwin Williams®-number (SW 0000)

RAL® to NCS®

convert from RAL®-number (RAL 0000) to NCS-number (S0000-X00X)

nsc-logo

HKS® to RGB

convert from HKS®-number (HKS 00) to RGB red green blue

HKS® to RGBA

convert from HKS®-number (HKS 00) to RGBA red green blue transparency

HKS® to CMYK

convert from HKS®-number (HKS 00) to CMYK cyan / magenta / yellow / black

Icons

HKS® to HEX

convert from HKS®-number (HKS 00) to #RRGGBB

HKS® to RAL®

convert from HKS®-number (HKS 00) to RAL®-number (RAL 0000)

HKS® to PANTONE®

convert from HKS®-number (HKS 00) to Pantone®-number (Pantone 0000)

HKS® to Sherwin Williams®

convert from HKS®-number (HKS 00) to Sherwin Williams®-number (SW 0000)

HKS® to NCS®

convert from HKS®-number (HKS 00) to NCS-number (S0000-X00X)

nsc-logo

PANTONE® to RGB

convert from Pantone®-number (Pantone 0000) to RGB red green blue

PANTONE® to RGBA

convert from Pantone®-number (Pantone 0000) to RGBA red green blue transparency

PANTONE® to CMYK

convert from Pantone®-number (Pantone 0000) to CMYK cyan / magenta / yellow / black

Icons

PANTONE® to HEX

convert from Pantone®-number (Pantone 0000) to #RRGGBB

PANTONE® to RAL®

convert from Pantone®-number (Pantone 0000) to RAL®-number (RAL 0000)

PANTONE® to HKS®

convert from Pantone®-number (Pantone 0000) to HKS®-number (HKS 00)

PANTONE® to Sherwin Williams®

convert from Pantone®-number (Pantone 0000) to Sherwin Williams®-number (SW 0000)

PANTONE® to NCS®

convert from Pantone®-number (Pantone 0000) to NCS-number (S0000-X00X)

nsc-logo

Sherwin Williams® to RGB

convert from Sherwin Williams®-number (SW 0000) to RGB red green blue

Sherwin Williams® to RGBA

convert from Sherwin Williams®-number (SW 0000) to RGBA red green blue transparency

Sherwin Williams® to CMYK

convert from Sherwin Williams®-number (SW 0000) to CMYK cyan / magenta / yellow / black

Icons

Sherwin Williams® to HEX

convert from Sherwin Williams®-number (SW 0000) to #RRGGBB

Sherwin Williams® to RAL®

convert from Sherwin Williams®-number (SW 0000) to RAL®-number (RAL 0000)

Sherwin Williams® to HKS®

convert from Sherwin Williams®-number (SW 0000) to HKS®-number (HKS 00)

Sherwin Williams® to PANTONE®

convert from Sherwin Williams®-number (SW 0000) to Pantone®-number (Pantone 0000)

Sherwin Williams® to NCS®

convert from Sherwin Williams®-number (SW 0000) to NCS-number (S0000-X00X)

nsc-logo

NCS® to RGB

convert from NCS-number (S0000-X00X) to RGB red green blue

NCS® to RGBA

convert from NCS-number (S0000-X00X) to RGBA red green blue transparency

NCS® to CMYK

convert from NCS-number (S0000-X00X) to CMYK cyan / magenta / yellow / black

Icons

NCS® to HEX

convert from NCS-number (S0000-X00X) to #RRGGBB

NCS® to RAL®

convert from NCS-number (S0000-X00X) to RAL®-number (RAL 0000)

NCS® to HKS®

convert from NCS-number (S0000-X00X) to HKS®-number (HKS 00)

NCS® to PANTONE®

convert from NCS-number (S0000-X00X) to Pantone®-number (Pantone 0000)

To be able to save color palettes, you must be logged in.

Sign in to your account

or

Create an account

Current color palette Share
Should it be public or private?
Link(s) will follow after sharing.

Cancel Share

Color palette shared
Please copy and save the link you want.

Share

OK, I have copied the links

Your colors will be saved in a new color palette.
View it under your profile.
You can further customize it, and share it.

Show color palette
Close

Create a color palette

DownloadDownload in different formats

Remove All

By clicking you can create palettes and download the color swatches.