Now offer period OUR API HAS BEEN EXPANDED

Cyber Week: 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 2025-12-01 up to and including 2025-12-07 (23:59 CET)

API packages & prices X
error rgb: 21.3_54.4_128

CSS Gradients:
RGB 21.3 54.4 128

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, 21.3 red, 54.4 green and 128 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.
21.3 54.4 128 R G B
In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, 83 cyan, 58 magenta, none yellow and 50 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.
83% 58% 0% 50% 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 #153680 to HEX #E9C87F


CSS-Code:

background-image: linear-gradient(135deg, #153680 13%, #E9C87F 96%);

Radial

HEX #153680 to HEX #E9C87F


CSS-Code:

background-image: radial-gradient(circle, #153680 13%, #E9C87F 97%);

 

HEX #E9C87F to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #E9C87F 14%, #153680 86%);

 

HEX #E9C87F to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #E9C87F 7%, #153680 94%);

Lineal

HEX #153680 to HEX #15537E


CSS-Code:

background-image: linear-gradient(135deg, #153680 2%, #15537E 90%);

Radial

HEX #153680 to HEX #15537E


CSS-Code:

background-image: radial-gradient(circle, #153680 9%, #15537E 99%);

 

HEX #15537E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #15537E 0%, #153680 92%);

 

HEX #15537E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #15537E 12%, #153680 88%);

 

HEX #153680 to HEX #15377E


CSS-Code:

background-image: linear-gradient(135deg, #153680 0%, #15377E 87%);

 

HEX #153680 to HEX #15377E


CSS-Code:

background-image: radial-gradient(circle, #153680 2%, #15377E 99%);

 

HEX #15377E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #15377E 6%, #153680 95%);

 

HEX #15377E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #15377E 3%, #153680 98%);

 

HEX #153680 to HEX #151B7E


CSS-Code:

background-image: linear-gradient(135deg, #153680 0%, #151B7E 87%);

 

HEX #153680 to HEX #151B7E


CSS-Code:

background-image: radial-gradient(circle, #153680 8%, #151B7E 100%);

 

HEX #151B7E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #151B7E 13%, #153680 94%);

 

HEX #151B7E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #151B7E 3%, #153680 99%);

 

HEX #153680 to HEX #2C157E


CSS-Code:

background-image: linear-gradient(135deg, #153680 5%, #2C157E 100%);

 

HEX #153680 to HEX #2C157E


CSS-Code:

background-image: radial-gradient(circle, #153680 11%, #2C157E 96%);

 

HEX #2C157E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #2C157E 1%, #153680 88%);

 

HEX #2C157E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #2C157E 10%, #153680 90%);

Lineal

HEX #153680 to HEX #0F275B


CSS-Code:

background-image: linear-gradient(135deg, #153680 1%, #0F275B 93%);

Radial

HEX #153680 to HEX #0F275B


CSS-Code:

background-image: radial-gradient(circle, #153680 1%, #0F275B 92%);

 

HEX #0F275B to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #0F275B 10%, #153680 95%);

 

HEX #0F275B to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #0F275B 3%, #153680 99%);

 

HEX #153680 to HEX #15367E


CSS-Code:

background-image: linear-gradient(135deg, #153680 9%, #15367E 99%);

 

HEX #153680 to HEX #15367E


CSS-Code:

background-image: radial-gradient(circle, #153680 1%, #15367E 98%);

 

HEX #15367E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #15367E 7%, #153680 86%);

 

HEX #15367E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #15367E 2%, #153680 91%);

 

HEX #153680 to HEX #1B45A2


CSS-Code:

background-image: linear-gradient(135deg, #153680 12%, #1B45A2 91%);

 

HEX #153680 to HEX #1B45A2


CSS-Code:

background-image: radial-gradient(circle, #153680 13%, #1B45A2 98%);

 

HEX #1B45A2 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #1B45A2 3%, #153680 88%);

 

HEX #1B45A2 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #1B45A2 9%, #153680 96%);

 

HEX #153680 to HEX #2154C5


CSS-Code:

background-image: linear-gradient(135deg, #153680 13%, #2154C5 91%);

 

HEX #153680 to HEX #2154C5


CSS-Code:

background-image: radial-gradient(circle, #153680 8%, #2154C5 89%);

 

HEX #2154C5 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #2154C5 3%, #153680 94%);

 

HEX #2154C5 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #2154C5 7%, #153680 90%);

Lineal

HEX #153680 to HEX #15537E


CSS-Code:

background-image: linear-gradient(135deg, #153680 13%, #15537E 91%);

Radial

HEX #153680 to HEX #15537E


CSS-Code:

background-image: radial-gradient(circle, #153680 1%, #15537E 89%);

 

HEX #15537E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #15537E 12%, #153680 95%);

 

HEX #15537E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #15537E 0%, #153680 95%);

 

HEX #153680 to HEX #15377E


CSS-Code:

background-image: linear-gradient(135deg, #153680 10%, #15377E 87%);

 

HEX #153680 to HEX #15377E


CSS-Code:

background-image: radial-gradient(circle, #153680 14%, #15377E 99%);

 

HEX #15377E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #15377E 6%, #153680 91%);

 

HEX #15377E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #15377E 0%, #153680 88%);

 

HEX #153680 to HEX #151B7E


CSS-Code:

background-image: linear-gradient(135deg, #153680 8%, #151B7E 99%);

 

HEX #153680 to HEX #151B7E


CSS-Code:

background-image: radial-gradient(circle, #153680 0%, #151B7E 92%);

 

HEX #151B7E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #151B7E 14%, #153680 96%);

 

HEX #151B7E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #151B7E 2%, #153680 99%);

 

HEX #153680 to HEX #2C157E


CSS-Code:

background-image: linear-gradient(135deg, #153680 13%, #2C157E 94%);

 

HEX #153680 to HEX #2C157E


CSS-Code:

background-image: radial-gradient(circle, #153680 8%, #2C157E 90%);

 

HEX #2C157E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #2C157E 1%, #153680 93%);

 

HEX #2C157E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #2C157E 11%, #153680 86%);

Lineal

HEX #153680 to HEX #0F275B


CSS-Code:

background-image: linear-gradient(135deg, #153680 12%, #0F275B 97%);

Radial

HEX #153680 to HEX #0F275B


CSS-Code:

background-image: radial-gradient(circle, #153680 3%, #0F275B 100%);

 

HEX #0F275B to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #0F275B 5%, #153680 89%);

 

HEX #0F275B to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #0F275B 10%, #153680 99%);

 

HEX #153680 to HEX #15367E


CSS-Code:

background-image: linear-gradient(135deg, #153680 10%, #15367E 98%);

 

HEX #153680 to HEX #15367E


CSS-Code:

background-image: radial-gradient(circle, #153680 10%, #15367E 94%);

 

HEX #15367E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #15367E 9%, #153680 100%);

 

HEX #15367E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #15367E 13%, #153680 92%);

 

HEX #153680 to HEX #1B45A2


CSS-Code:

background-image: linear-gradient(135deg, #153680 4%, #1B45A2 95%);

 

HEX #153680 to HEX #1B45A2


CSS-Code:

background-image: radial-gradient(circle, #153680 13%, #1B45A2 90%);

 

HEX #1B45A2 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #1B45A2 6%, #153680 88%);

 

HEX #1B45A2 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #1B45A2 5%, #153680 87%);

 

HEX #153680 to HEX #2154C5


CSS-Code:

background-image: linear-gradient(135deg, #153680 9%, #2154C5 91%);

 

HEX #153680 to HEX #2154C5


CSS-Code:

background-image: radial-gradient(circle, #153680 1%, #2154C5 88%);

 

HEX #2154C5 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #2154C5 8%, #153680 95%);

 

HEX #2154C5 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #2154C5 7%, #153680 89%);

Lineal

HEX #153680 to HEX #72157E


CSS-Code:

background-image: linear-gradient(135deg, #153680 1%, #72157E 96%);

Radial

HEX #153680 to HEX #72157E


CSS-Code:

background-image: radial-gradient(circle, #153680 4%, #72157E 89%);

 

HEX #72157E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #72157E 11%, #153680 94%);

 

HEX #72157E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #72157E 9%, #153680 87%);

 

HEX #153680 to HEX #617E15


CSS-Code:

background-image: linear-gradient(135deg, #153680 12%, #617E15 90%);

 

HEX #153680 to HEX #617E15


CSS-Code:

background-image: radial-gradient(circle, #153680 4%, #617E15 100%);

 

HEX #617E15 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #617E15 9%, #153680 100%);

 

HEX #617E15 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #617E15 7%, #153680 87%);

Lineal

HEX #153680 to HEX #7E1537


CSS-Code:

background-image: linear-gradient(135deg, #153680 8%, #7E1537 94%);

Radial

HEX #153680 to HEX #7E1537


CSS-Code:

background-image: radial-gradient(circle, #153680 7%, #7E1537 97%);

 

HEX #7E1537 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #7E1537 5%, #153680 93%);

 

HEX #7E1537 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #7E1537 12%, #153680 100%);

 

HEX #153680 to HEX #377E15


CSS-Code:

background-image: linear-gradient(135deg, #153680 5%, #377E15 90%);

 

HEX #153680 to HEX #377E15


CSS-Code:

background-image: radial-gradient(circle, #153680 13%, #377E15 96%);

 

HEX #377E15 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #377E15 6%, #153680 97%);

 

HEX #377E15 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #377E15 9%, #153680 96%);

Lineal

HEX #153680 to HEX #72157E


CSS-Code:

background-image: linear-gradient(135deg, #153680 8%, #72157E 93%);

Radial

HEX #153680 to HEX #72157E


CSS-Code:

background-image: radial-gradient(circle, #153680 8%, #72157E 93%);

 

HEX #72157E to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #72157E 14%, #153680 91%);

 

HEX #72157E to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #72157E 10%, #153680 92%);

 

HEX #153680 to HEX #7E5D15


CSS-Code:

background-image: linear-gradient(135deg, #153680 2%, #7E5D15 93%);

 

HEX #153680 to HEX #7E5D15


CSS-Code:

background-image: radial-gradient(circle, #153680 11%, #7E5D15 87%);

 

HEX #7E5D15 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #7E5D15 12%, #153680 88%);

 

HEX #7E5D15 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #7E5D15 9%, #153680 98%);

 

HEX #153680 to HEX #227E15


CSS-Code:

background-image: linear-gradient(135deg, #153680 14%, #227E15 95%);

 

HEX #153680 to HEX #227E15


CSS-Code:

background-image: radial-gradient(circle, #153680 4%, #227E15 88%);

 

HEX #227E15 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #227E15 4%, #153680 89%);

 

HEX #227E15 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #227E15 9%, #153680 87%);

Lineal

HEX #153680 to HEX #7E156B


CSS-Code:

background-image: linear-gradient(135deg, #153680 9%, #7E156B 91%);

Radial

HEX #153680 to HEX #7E156B


CSS-Code:

background-image: radial-gradient(circle, #153680 3%, #7E156B 92%);

 

HEX #7E156B to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #7E156B 1%, #153680 90%);

 

HEX #7E156B to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #7E156B 9%, #153680 93%);

 

HEX #153680 to HEX #7E5D15


CSS-Code:

background-image: linear-gradient(135deg, #153680 1%, #7E5D15 98%);

 

HEX #153680 to HEX #7E5D15


CSS-Code:

background-image: radial-gradient(circle, #153680 7%, #7E5D15 94%);

 

HEX #7E5D15 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #7E5D15 6%, #153680 91%);

 

HEX #7E5D15 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #7E5D15 9%, #153680 93%);

 

HEX #153680 to HEX #157E29


CSS-Code:

background-image: linear-gradient(135deg, #153680 1%, #157E29 86%);

 

HEX #153680 to HEX #157E29


CSS-Code:

background-image: radial-gradient(circle, #153680 5%, #157E29 97%);

 

HEX #157E29 to HEX #153680


CSS-Code:

background-image: linear-gradient(135deg, #157E29 14%, #153680 86%);

 

HEX #157E29 to HEX #153680


CSS-Code:

background-image: radial-gradient(circle, #157E29 14%, #153680 93%);

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, 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.