Now offer period OUR API HAS BEEN EXPANDED

Black Friday 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 2025-11-24 up to and including 2025-11-30 (23:59 CET)

API packages & prices X

CSS Gradients:
RGBA 23 0 17 0.5

Information

close all

2-color gradients - Complementary color

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.

2-color gradients - Lighter colors

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.

2-color gradients - Darker colors

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, 23 red, none green and 17 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.

In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, none cyan, 50 magenta, 13 yellow and 45 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.

Verification of their color palette as a manufacturer!

Provide designers and agencies with accurate color values.

Let's go

2-color gradients of RGBA 23 0 17 0.5 - Complementary color

Lineal

HEX #1700117F to HEX #E8FFEE7F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 5%, #E8FFEE7F 100%);

Radial

HEX #1700117F to HEX #E8FFEE7F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 5%, #E8FFEE7F 89%);

HEX #E8FFEE7F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #E8FFEE7F 13%, #1700117F 91%);

HEX #E8FFEE7F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #E8FFEE7F 10%, #1700117F 96%);

2-color gradients of RGBA 23 0 17 0.5 - Lighter colors

Lineal

HEX #1700117F to HEX #19001A7F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 0%, #19001A7F 97%);

Radial

HEX #1700117F to HEX #19001A7F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 4%, #19001A7F 87%);

HEX #19001A7F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #19001A7F 6%, #1700117F 86%);

HEX #19001A7F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #19001A7F 2%, #1700117F 96%);

HEX #1700117F to HEX #1A00137F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 7%, #1A00137F 96%);

HEX #1700117F to HEX #1A00137F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 0%, #1A00137F 92%);

HEX #1A00137F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A00137F 7%, #1700117F 93%);

HEX #1A00137F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A00137F 4%, #1700117F 100%);

HEX #1700117F to HEX #1A000C7F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 8%, #1A000C7F 91%);

HEX #1700117F to HEX #1A000C7F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 2%, #1A000C7F 99%);

HEX #1A000C7F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A000C7F 8%, #1700117F 99%);

HEX #1A000C7F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A000C7F 13%, #1700117F 99%);

HEX #1700117F to HEX #1A00067F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 5%, #1A00067F 87%);

HEX #1700117F to HEX #1A00067F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 12%, #1A00067F 90%);

HEX #1A00067F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A00067F 0%, #1700117F 100%);

HEX #1A00067F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A00067F 5%, #1700117F 97%);

2-color gradients of RGBA 23 0 17 0.5 - Darker colors

Lineal

HEX #1700117F to HEX #1A0013

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 1%, #1A0013 100%);

Radial

HEX #1700117F to HEX #1A0013

CSS-Code:

background-image: radial-gradient(circle, #1700117F 9%, #1A0013 86%);

HEX #1A0013 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A0013 13%, #1700117F 94%);

HEX #1A0013 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A0013 8%, #1700117F 89%);

HEX #1700117F to HEX #430031

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 9%, #430031 92%);

HEX #1700117F to HEX #430031

CSS-Code:

background-image: radial-gradient(circle, #1700117F 2%, #430031 98%);

HEX #430031 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #430031 4%, #1700117F 91%);

HEX #430031 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #430031 5%, #1700117F 98%);

HEX #1700117F to HEX #6C0050

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 7%, #6C0050 96%);

HEX #1700117F to HEX #6C0050

CSS-Code:

background-image: radial-gradient(circle, #1700117F 10%, #6C0050 91%);

HEX #6C0050 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #6C0050 4%, #1700117F 90%);

HEX #6C0050 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #6C0050 4%, #1700117F 95%);

2-color gradients of RGBA 23 0 17 0.5 - Analogue colors

Lineal

HEX #1700117F to HEX #19001A7F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 13%, #19001A7F 93%);

Radial

HEX #1700117F to HEX #19001A7F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 9%, #19001A7F 87%);

HEX #19001A7F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #19001A7F 11%, #1700117F 91%);

HEX #19001A7F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #19001A7F 0%, #1700117F 93%);

HEX #1700117F to HEX #1A00137F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 0%, #1A00137F 89%);

HEX #1700117F to HEX #1A00137F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 2%, #1A00137F 94%);

HEX #1A00137F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A00137F 7%, #1700117F 96%);

HEX #1A00137F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A00137F 6%, #1700117F 95%);

HEX #1700117F to HEX #1A000C7F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 3%, #1A000C7F 97%);

HEX #1700117F to HEX #1A000C7F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 11%, #1A000C7F 90%);

HEX #1A000C7F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A000C7F 13%, #1700117F 100%);

HEX #1A000C7F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A000C7F 13%, #1700117F 98%);

HEX #1700117F to HEX #1A00067F

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 3%, #1A00067F 95%);

HEX #1700117F to HEX #1A00067F

CSS-Code:

background-image: radial-gradient(circle, #1700117F 14%, #1A00067F 93%);

HEX #1A00067F to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A00067F 3%, #1700117F 95%);

HEX #1A00067F to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A00067F 9%, #1700117F 98%);

2-color gradients of RGBA 23 0 17 0.5 - Monochromatic colors

Lineal

HEX #1700117F to HEX #1A0013

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 8%, #1A0013 86%);

Radial

HEX #1700117F to HEX #1A0013

CSS-Code:

background-image: radial-gradient(circle, #1700117F 10%, #1A0013 89%);

HEX #1A0013 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A0013 1%, #1700117F 87%);

HEX #1A0013 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A0013 2%, #1700117F 95%);

HEX #1700117F to HEX #430031

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 2%, #430031 98%);

HEX #1700117F to HEX #430031

CSS-Code:

background-image: radial-gradient(circle, #1700117F 7%, #430031 91%);

HEX #430031 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #430031 14%, #1700117F 89%);

HEX #430031 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #430031 11%, #1700117F 100%);

HEX #1700117F to HEX #6C0050

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 6%, #6C0050 100%);

HEX #1700117F to HEX #6C0050

CSS-Code:

background-image: radial-gradient(circle, #1700117F 7%, #6C0050 100%);

HEX #6C0050 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #6C0050 7%, #1700117F 88%);

HEX #6C0050 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #6C0050 2%, #1700117F 97%);

2-color gradients of RGBA 23 0 17 0.5 - Partial complementary colors

Lineal

HEX #1700117F to HEX #1A0B00

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 10%, #1A0B00 89%);

Radial

HEX #1700117F to HEX #1A0B00

CSS-Code:

background-image: radial-gradient(circle, #1700117F 7%, #1A0B00 88%);

HEX #1A0B00 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A0B00 5%, #1700117F 100%);

HEX #1A0B00 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A0B00 5%, #1700117F 88%);

HEX #1700117F to HEX #001A16

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 10%, #001A16 96%);

HEX #1700117F to HEX #001A16

CSS-Code:

background-image: radial-gradient(circle, #1700117F 6%, #001A16 88%);

HEX #001A16 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #001A16 9%, #1700117F 97%);

HEX #001A16 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #001A16 3%, #1700117F 89%);

2-color gradients of RGBA 23 0 17 0.5 - Triadic colors

Lineal

HEX #1700117F to HEX #131A00

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 3%, #131A00 86%);

Radial

HEX #1700117F to HEX #131A00

CSS-Code:

background-image: radial-gradient(circle, #1700117F 11%, #131A00 94%);

HEX #131A00 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #131A00 7%, #1700117F 97%);

HEX #131A00 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #131A00 2%, #1700117F 86%);

HEX #1700117F to HEX #00131A

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 11%, #00131A 88%);

HEX #1700117F to HEX #00131A

CSS-Code:

background-image: radial-gradient(circle, #1700117F 12%, #00131A 100%);

HEX #00131A to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #00131A 9%, #1700117F 99%);

HEX #00131A to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #00131A 12%, #1700117F 100%);

2-color gradients of RGBA 23 0 17 0.5 - Rectangular (tetradic) colors

Lineal

HEX #1700117F to HEX #1A0B00

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 8%, #1A0B00 86%);

Radial

HEX #1700117F to HEX #1A0B00

CSS-Code:

background-image: radial-gradient(circle, #1700117F 8%, #1A0B00 100%);

HEX #1A0B00 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A0B00 1%, #1700117F 93%);

HEX #1A0B00 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A0B00 8%, #1700117F 99%);

HEX #1700117F to HEX #001A06

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 3%, #001A06 100%);

HEX #1700117F to HEX #001A06

CSS-Code:

background-image: radial-gradient(circle, #1700117F 14%, #001A06 99%);

HEX #001A06 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #001A06 6%, #1700117F 92%);

HEX #001A06 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #001A06 13%, #1700117F 91%);

HEX #1700117F to HEX #000E1A

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 12%, #000E1A 98%);

HEX #1700117F to HEX #000E1A

CSS-Code:

background-image: radial-gradient(circle, #1700117F 4%, #000E1A 97%);

HEX #000E1A to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #000E1A 14%, #1700117F 100%);

HEX #000E1A to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #000E1A 1%, #1700117F 88%);

2-color gradients of RGBA 23 0 17 0.5 - Square colors

Lineal

HEX #1700117F to HEX #1A1300

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 5%, #1A1300 93%);

Radial

HEX #1700117F to HEX #1A1300

CSS-Code:

background-image: radial-gradient(circle, #1700117F 0%, #1A1300 99%);

HEX #1A1300 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #1A1300 13%, #1700117F 99%);

HEX #1A1300 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #1A1300 10%, #1700117F 86%);

HEX #1700117F to HEX #001A06

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 5%, #001A06 100%);

HEX #1700117F to HEX #001A06

CSS-Code:

background-image: radial-gradient(circle, #1700117F 3%, #001A06 96%);

HEX #001A06 to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #001A06 7%, #1700117F 90%);

HEX #001A06 to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #001A06 8%, #1700117F 95%);

HEX #1700117F to HEX #00061A

CSS-Code:

background-image: linear-gradient(135deg, #1700117F 12%, #00061A 93%);

HEX #1700117F to HEX #00061A

CSS-Code:

background-image: radial-gradient(circle, #1700117F 1%, #00061A 100%);

HEX #00061A to HEX #1700117F

CSS-Code:

background-image: linear-gradient(135deg, #00061A 0%, #1700117F 100%);

HEX #00061A to HEX #1700117F

CSS-Code:

background-image: radial-gradient(circle, #00061A 6%, #1700117F 99%);

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

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)

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

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)

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)

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

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)

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

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)

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

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)

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

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)

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

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)

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

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.

Public

Color palette shared
Please copy and save the desired link.

Share

View

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

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