Now offer period OUR API HAS BEEN EXPANDED

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)

API packages & prices X

CSS Gradients:
CMYK 20 / 0 / 24 / 80

Information

close all

Let CSS suggest color gradients from two hues such as the base hue 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.

Let CSS suggest color gradients from two hues such as the base hue and a lighter hue.

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 CSS suggest color gradients from two hues such as the base hue and a darker hue.

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

Simple 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, 41 red, 51 green and 39 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.
41 51 39 R G B
In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, 20 cyan, none magenta, 24 yellow and 80 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.
20% 0% 24% 80% 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 #293327 to HEX #D6CCD8


CSS-Code:

background-image: linear-gradient(135deg, #293327 2%, #D6CCD8 90%);

Radial

HEX #293327 to HEX #D6CCD8


CSS-Code:

background-image: radial-gradient(circle, #293327 2%, #D6CCD8 87%);

 

HEX #D6CCD8 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #D6CCD8 1%, #293327 89%);

 

HEX #D6CCD8 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #D6CCD8 13%, #293327 90%);

Lineal

HEX #293327 to HEX #2D3428


CSS-Code:

background-image: linear-gradient(135deg, #293327 13%, #2D3428 96%);

Radial

HEX #293327 to HEX #2D3428


CSS-Code:

background-image: radial-gradient(circle, #293327 4%, #2D3428 91%);

 

HEX #2D3428 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #2D3428 4%, #293327 99%);

 

HEX #2D3428 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #2D3428 9%, #293327 96%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: linear-gradient(135deg, #293327 3%, #2A3428 86%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: radial-gradient(circle, #293327 8%, #2A3428 93%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #2A3428 3%, #293327 93%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #2A3428 2%, #293327 90%);

 

HEX #293327 to HEX #283429


CSS-Code:

background-image: linear-gradient(135deg, #293327 11%, #283429 94%);

 

HEX #293327 to HEX #283429


CSS-Code:

background-image: radial-gradient(circle, #293327 0%, #283429 89%);

 

HEX #283429 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #283429 0%, #293327 96%);

 

HEX #283429 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #283429 3%, #293327 87%);

 

HEX #293327 to HEX #28342C


CSS-Code:

background-image: linear-gradient(135deg, #293327 3%, #28342C 97%);

 

HEX #293327 to HEX #28342C


CSS-Code:

background-image: radial-gradient(circle, #293327 11%, #28342C 94%);

 

HEX #28342C to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #28342C 6%, #293327 96%);

 

HEX #28342C to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #28342C 4%, #293327 91%);

Lineal

HEX #293327 to HEX #171D16


CSS-Code:

background-image: linear-gradient(135deg, #293327 7%, #171D16 93%);

Radial

HEX #293327 to HEX #171D16


CSS-Code:

background-image: radial-gradient(circle, #293327 9%, #171D16 97%);

 

HEX #171D16 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #171D16 10%, #293327 89%);

 

HEX #171D16 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #171D16 11%, #293327 91%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: linear-gradient(135deg, #293327 12%, #2A3428 91%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: radial-gradient(circle, #293327 8%, #2A3428 91%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #2A3428 0%, #293327 93%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #2A3428 9%, #293327 92%);

 

HEX #293327 to HEX #3D4B3A


CSS-Code:

background-image: linear-gradient(135deg, #293327 1%, #3D4B3A 95%);

 

HEX #293327 to HEX #3D4B3A


CSS-Code:

background-image: radial-gradient(circle, #293327 3%, #3D4B3A 91%);

 

HEX #3D4B3A to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #3D4B3A 0%, #293327 94%);

 

HEX #3D4B3A to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #3D4B3A 13%, #293327 86%);

 

HEX #293327 to HEX #50624C


CSS-Code:

background-image: linear-gradient(135deg, #293327 5%, #50624C 95%);

 

HEX #293327 to HEX #50624C


CSS-Code:

background-image: radial-gradient(circle, #293327 12%, #50624C 100%);

 

HEX #50624C to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #50624C 7%, #293327 90%);

 

HEX #50624C to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #50624C 14%, #293327 89%);

Lineal

HEX #293327 to HEX #2D3428


CSS-Code:

background-image: linear-gradient(135deg, #293327 9%, #2D3428 95%);

Radial

HEX #293327 to HEX #2D3428


CSS-Code:

background-image: radial-gradient(circle, #293327 13%, #2D3428 94%);

 

HEX #2D3428 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #2D3428 3%, #293327 86%);

 

HEX #2D3428 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #2D3428 13%, #293327 99%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: linear-gradient(135deg, #293327 3%, #2A3428 97%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: radial-gradient(circle, #293327 13%, #2A3428 99%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #2A3428 5%, #293327 88%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #2A3428 8%, #293327 88%);

 

HEX #293327 to HEX #283429


CSS-Code:

background-image: linear-gradient(135deg, #293327 10%, #283429 98%);

 

HEX #293327 to HEX #283429


CSS-Code:

background-image: radial-gradient(circle, #293327 3%, #283429 96%);

 

HEX #283429 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #283429 12%, #293327 88%);

 

HEX #283429 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #283429 2%, #293327 97%);

 

HEX #293327 to HEX #28342C


CSS-Code:

background-image: linear-gradient(135deg, #293327 6%, #28342C 92%);

 

HEX #293327 to HEX #28342C


CSS-Code:

background-image: radial-gradient(circle, #293327 13%, #28342C 98%);

 

HEX #28342C to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #28342C 9%, #293327 88%);

 

HEX #28342C to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #28342C 8%, #293327 88%);

Lineal

HEX #293327 to HEX #171D16


CSS-Code:

background-image: linear-gradient(135deg, #293327 1%, #171D16 86%);

Radial

HEX #293327 to HEX #171D16


CSS-Code:

background-image: radial-gradient(circle, #293327 6%, #171D16 100%);

 

HEX #171D16 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #171D16 12%, #293327 100%);

 

HEX #171D16 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #171D16 11%, #293327 89%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: linear-gradient(135deg, #293327 13%, #2A3428 99%);

 

HEX #293327 to HEX #2A3428


CSS-Code:

background-image: radial-gradient(circle, #293327 14%, #2A3428 92%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #2A3428 6%, #293327 87%);

 

HEX #2A3428 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #2A3428 0%, #293327 93%);

 

HEX #293327 to HEX #3D4B3A


CSS-Code:

background-image: linear-gradient(135deg, #293327 2%, #3D4B3A 98%);

 

HEX #293327 to HEX #3D4B3A


CSS-Code:

background-image: radial-gradient(circle, #293327 13%, #3D4B3A 97%);

 

HEX #3D4B3A to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #3D4B3A 0%, #293327 94%);

 

HEX #3D4B3A to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #3D4B3A 7%, #293327 88%);

 

HEX #293327 to HEX #50624C


CSS-Code:

background-image: linear-gradient(135deg, #293327 6%, #50624C 97%);

 

HEX #293327 to HEX #50624C


CSS-Code:

background-image: radial-gradient(circle, #293327 11%, #50624C 86%);

 

HEX #50624C to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #50624C 0%, #293327 95%);

 

HEX #50624C to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #50624C 14%, #293327 95%);

Lineal

HEX #293327 to HEX #283334


CSS-Code:

background-image: linear-gradient(135deg, #293327 2%, #283334 98%);

Radial

HEX #293327 to HEX #283334


CSS-Code:

background-image: radial-gradient(circle, #293327 3%, #283334 98%);

 

HEX #283334 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #283334 6%, #293327 99%);

 

HEX #283334 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #283334 8%, #293327 87%);

 

HEX #293327 to HEX #34282F


CSS-Code:

background-image: linear-gradient(135deg, #293327 14%, #34282F 97%);

 

HEX #293327 to HEX #34282F


CSS-Code:

background-image: radial-gradient(circle, #293327 11%, #34282F 95%);

 

HEX #34282F to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #34282F 8%, #293327 97%);

 

HEX #34282F to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #34282F 1%, #293327 87%);

Lineal

HEX #293327 to HEX #282A34


CSS-Code:

background-image: linear-gradient(135deg, #293327 4%, #282A34 92%);

Radial

HEX #293327 to HEX #282A34


CSS-Code:

background-image: radial-gradient(circle, #293327 14%, #282A34 87%);

 

HEX #282A34 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #282A34 5%, #293327 98%);

 

HEX #282A34 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #282A34 0%, #293327 91%);

 

HEX #293327 to HEX #34282A


CSS-Code:

background-image: linear-gradient(135deg, #293327 5%, #34282A 91%);

 

HEX #293327 to HEX #34282A


CSS-Code:

background-image: radial-gradient(circle, #293327 0%, #34282A 93%);

 

HEX #34282A to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #34282A 8%, #293327 98%);

 

HEX #34282A to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #34282A 7%, #293327 100%);

Lineal

HEX #293327 to HEX #283334


CSS-Code:

background-image: linear-gradient(135deg, #293327 9%, #283334 98%);

Radial

HEX #293327 to HEX #283334


CSS-Code:

background-image: radial-gradient(circle, #293327 4%, #283334 97%);

 

HEX #283334 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #283334 8%, #293327 88%);

 

HEX #283334 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #283334 14%, #293327 91%);

 

HEX #293327 to HEX #322834


CSS-Code:

background-image: linear-gradient(135deg, #293327 2%, #322834 93%);

 

HEX #293327 to HEX #322834


CSS-Code:

background-image: radial-gradient(circle, #293327 6%, #322834 88%);

 

HEX #322834 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #322834 12%, #293327 86%);

 

HEX #322834 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #322834 4%, #293327 99%);

 

HEX #293327 to HEX #342828


CSS-Code:

background-image: linear-gradient(135deg, #293327 9%, #342828 90%);

 

HEX #293327 to HEX #342828


CSS-Code:

background-image: radial-gradient(circle, #293327 13%, #342828 98%);

 

HEX #342828 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #342828 5%, #293327 86%);

 

HEX #342828 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #342828 2%, #293327 96%);

Lineal

HEX #293327 to HEX #283034


CSS-Code:

background-image: linear-gradient(135deg, #293327 4%, #283034 95%);

Radial

HEX #293327 to HEX #283034


CSS-Code:

background-image: radial-gradient(circle, #293327 2%, #283034 89%);

 

HEX #283034 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #283034 5%, #293327 88%);

 

HEX #283034 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #283034 12%, #293327 98%);

 

HEX #293327 to HEX #322834


CSS-Code:

background-image: linear-gradient(135deg, #293327 3%, #322834 92%);

 

HEX #293327 to HEX #322834


CSS-Code:

background-image: radial-gradient(circle, #293327 7%, #322834 99%);

 

HEX #322834 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #322834 14%, #293327 95%);

 

HEX #322834 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #322834 0%, #293327 95%);

 

HEX #293327 to HEX #342C28


CSS-Code:

background-image: linear-gradient(135deg, #293327 13%, #342C28 99%);

 

HEX #293327 to HEX #342C28


CSS-Code:

background-image: radial-gradient(circle, #293327 8%, #342C28 99%);

 

HEX #342C28 to HEX #293327


CSS-Code:

background-image: linear-gradient(135deg, #342C28 0%, #293327 99%);

 

HEX #342C28 to HEX #293327


CSS-Code:

background-image: radial-gradient(circle, #342C28 3%, #293327 96%);

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
Icons

CMYK to HEX

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

CMYK to RGB

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

CMYK to RGBA

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

CMYK to RAL®

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

CMYK to HKS®

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

CMYK to PANTONE®

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

CMYK to Sherwin Williams®

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

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
nsc-logo

NCS® to RGB

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

NCS® to RGBA

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

NCS® to CMYK

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

Icons
nsc-logo

NCS® to HEX

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

NCS® to RAL®

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

NCS® to HKS®

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

NCS® to PANTONE®

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

To be able to save color palettes, a registration is required.

Log 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 desired link.

Share

OK, I have copied the links

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

Show color palette
Close

Create a color palette

DownloadDownload in different formats

Remove All

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

© 2019-2025 - Designed by frag-bobby.de