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: 66.7_2.6_21

CSS Gradients:
RGB 66.7 2.6 21

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, 66.7 red, 2.6 green and 21 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, 96 magenta, 69 yellow and 74 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 RGB 66.7 2.6 21 - Complementary color

Lineal

HEX #420215 to HEX #BCFCEA

CSS-Code:

background-image: linear-gradient(135deg, #420215 1%, #BCFCEA 98%);

Radial

HEX #420215 to HEX #BCFCEA

CSS-Code:

background-image: radial-gradient(circle, #420215 9%, #BCFCEA 96%);

HEX #BCFCEA to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #BCFCEA 14%, #420215 89%);

HEX #BCFCEA to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #BCFCEA 9%, #420215 89%);

2-color gradients of RGB 66.7 2.6 21 - Lighter colors

Lineal

HEX #420215 to HEX #450328

CSS-Code:

background-image: linear-gradient(135deg, #420215 12%, #450328 90%);

Radial

HEX #420215 to HEX #450328

CSS-Code:

background-image: radial-gradient(circle, #420215 1%, #450328 93%);

HEX #450328 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450328 11%, #420215 96%);

HEX #450328 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450328 7%, #420215 94%);

HEX #420215 to HEX #450317

CSS-Code:

background-image: linear-gradient(135deg, #420215 11%, #450317 86%);

HEX #420215 to HEX #450317

CSS-Code:

background-image: radial-gradient(circle, #420215 0%, #450317 94%);

HEX #450317 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450317 7%, #420215 99%);

HEX #450317 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450317 7%, #420215 100%);

HEX #420215 to HEX #450305

CSS-Code:

background-image: linear-gradient(135deg, #420215 11%, #450305 96%);

HEX #420215 to HEX #450305

CSS-Code:

background-image: radial-gradient(circle, #420215 7%, #450305 97%);

HEX #450305 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450305 6%, #420215 96%);

HEX #450305 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450305 13%, #420215 92%);

HEX #420215 to HEX #451203

CSS-Code:

background-image: linear-gradient(135deg, #420215 9%, #451203 94%);

HEX #420215 to HEX #451203

CSS-Code:

background-image: radial-gradient(circle, #420215 9%, #451203 87%);

HEX #451203 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #451203 8%, #420215 100%);

HEX #451203 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #451203 5%, #420215 95%);

2-color gradients of RGB 66.7 2.6 21 - Darker colors

Lineal

HEX #420215 to HEX #1D0109

CSS-Code:

background-image: linear-gradient(135deg, #420215 6%, #1D0109 95%);

Radial

HEX #420215 to HEX #1D0109

CSS-Code:

background-image: radial-gradient(circle, #420215 11%, #1D0109 86%);

HEX #1D0109 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #1D0109 3%, #420215 98%);

HEX #1D0109 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #1D0109 1%, #420215 97%);

HEX #420215 to HEX #450316

CSS-Code:

background-image: linear-gradient(135deg, #420215 3%, #450316 100%);

HEX #420215 to HEX #450316

CSS-Code:

background-image: radial-gradient(circle, #420215 14%, #450316 91%);

HEX #450316 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450316 7%, #420215 86%);

HEX #450316 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450316 2%, #420215 94%);

HEX #420215 to HEX #6C0522

CSS-Code:

background-image: linear-gradient(135deg, #420215 7%, #6C0522 93%);

HEX #420215 to HEX #6C0522

CSS-Code:

background-image: radial-gradient(circle, #420215 0%, #6C0522 99%);

HEX #6C0522 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #6C0522 10%, #420215 100%);

HEX #6C0522 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #6C0522 7%, #420215 86%);

HEX #420215 to HEX #94062F

CSS-Code:

background-image: linear-gradient(135deg, #420215 5%, #94062F 89%);

HEX #420215 to HEX #94062F

CSS-Code:

background-image: radial-gradient(circle, #420215 6%, #94062F 100%);

HEX #94062F to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #94062F 9%, #420215 92%);

HEX #94062F to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #94062F 9%, #420215 88%);

2-color gradients of RGB 66.7 2.6 21 - Analogue colors

Lineal

HEX #420215 to HEX #450328

CSS-Code:

background-image: linear-gradient(135deg, #420215 5%, #450328 96%);

Radial

HEX #420215 to HEX #450328

CSS-Code:

background-image: radial-gradient(circle, #420215 0%, #450328 100%);

HEX #450328 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450328 1%, #420215 89%);

HEX #450328 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450328 14%, #420215 88%);

HEX #420215 to HEX #450317

CSS-Code:

background-image: linear-gradient(135deg, #420215 2%, #450317 93%);

HEX #420215 to HEX #450317

CSS-Code:

background-image: radial-gradient(circle, #420215 8%, #450317 97%);

HEX #450317 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450317 10%, #420215 87%);

HEX #450317 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450317 4%, #420215 86%);

HEX #420215 to HEX #450305

CSS-Code:

background-image: linear-gradient(135deg, #420215 0%, #450305 99%);

HEX #420215 to HEX #450305

CSS-Code:

background-image: radial-gradient(circle, #420215 10%, #450305 93%);

HEX #450305 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450305 14%, #420215 86%);

HEX #450305 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450305 14%, #420215 100%);

HEX #420215 to HEX #451203

CSS-Code:

background-image: linear-gradient(135deg, #420215 12%, #451203 89%);

HEX #420215 to HEX #451203

CSS-Code:

background-image: radial-gradient(circle, #420215 0%, #451203 87%);

HEX #451203 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #451203 10%, #420215 100%);

HEX #451203 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #451203 0%, #420215 95%);

2-color gradients of RGB 66.7 2.6 21 - Monochromatic colors

Lineal

HEX #420215 to HEX #1D0109

CSS-Code:

background-image: linear-gradient(135deg, #420215 6%, #1D0109 98%);

Radial

HEX #420215 to HEX #1D0109

CSS-Code:

background-image: radial-gradient(circle, #420215 8%, #1D0109 87%);

HEX #1D0109 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #1D0109 4%, #420215 95%);

HEX #1D0109 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #1D0109 5%, #420215 96%);

HEX #420215 to HEX #450316

CSS-Code:

background-image: linear-gradient(135deg, #420215 1%, #450316 100%);

HEX #420215 to HEX #450316

CSS-Code:

background-image: radial-gradient(circle, #420215 6%, #450316 93%);

HEX #450316 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #450316 10%, #420215 93%);

HEX #450316 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #450316 0%, #420215 96%);

HEX #420215 to HEX #6C0522

CSS-Code:

background-image: linear-gradient(135deg, #420215 0%, #6C0522 94%);

HEX #420215 to HEX #6C0522

CSS-Code:

background-image: radial-gradient(circle, #420215 3%, #6C0522 99%);

HEX #6C0522 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #6C0522 9%, #420215 97%);

HEX #6C0522 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #6C0522 2%, #420215 89%);

HEX #420215 to HEX #94062F

CSS-Code:

background-image: linear-gradient(135deg, #420215 3%, #94062F 90%);

HEX #420215 to HEX #94062F

CSS-Code:

background-image: radial-gradient(circle, #420215 8%, #94062F 89%);

HEX #94062F to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #94062F 13%, #420215 100%);

HEX #94062F to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #94062F 2%, #420215 97%);

2-color gradients of RGB 66.7 2.6 21 - Partial complementary colors

Lineal

HEX #420215 to HEX #453E03

CSS-Code:

background-image: linear-gradient(135deg, #420215 2%, #453E03 93%);

Radial

HEX #420215 to HEX #453E03

CSS-Code:

background-image: radial-gradient(circle, #420215 1%, #453E03 86%);

HEX #453E03 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #453E03 8%, #420215 94%);

HEX #453E03 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #453E03 12%, #420215 90%);

HEX #420215 to HEX #033145

CSS-Code:

background-image: linear-gradient(135deg, #420215 8%, #033145 94%);

HEX #420215 to HEX #033145

CSS-Code:

background-image: radial-gradient(circle, #420215 8%, #033145 95%);

HEX #033145 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #033145 6%, #420215 90%);

HEX #033145 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #033145 12%, #420215 98%);

2-color gradients of RGB 66.7 2.6 21 - Triadic colors

Lineal

HEX #420215 to HEX #174503

CSS-Code:

background-image: linear-gradient(135deg, #420215 7%, #174503 86%);

Radial

HEX #420215 to HEX #174503

CSS-Code:

background-image: radial-gradient(circle, #420215 3%, #174503 91%);

HEX #174503 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #174503 9%, #420215 87%);

HEX #174503 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #174503 6%, #420215 90%);

HEX #420215 to HEX #031745

CSS-Code:

background-image: linear-gradient(135deg, #420215 11%, #031745 88%);

HEX #420215 to HEX #031745

CSS-Code:

background-image: radial-gradient(circle, #420215 3%, #031745 100%);

HEX #031745 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #031745 1%, #420215 99%);

HEX #031745 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #031745 3%, #420215 100%);

2-color gradients of RGB 66.7 2.6 21 - Rectangular (tetradic) colors

Lineal

HEX #420215 to HEX #453E03

CSS-Code:

background-image: linear-gradient(135deg, #420215 3%, #453E03 89%);

Radial

HEX #420215 to HEX #453E03

CSS-Code:

background-image: radial-gradient(circle, #420215 13%, #453E03 94%);

HEX #453E03 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #453E03 5%, #420215 100%);

HEX #453E03 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #453E03 9%, #420215 88%);

HEX #420215 to HEX #034531

CSS-Code:

background-image: linear-gradient(135deg, #420215 10%, #034531 99%);

HEX #420215 to HEX #034531

CSS-Code:

background-image: radial-gradient(circle, #420215 9%, #034531 87%);

HEX #034531 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #034531 8%, #420215 89%);

HEX #034531 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #034531 11%, #420215 98%);

HEX #420215 to HEX #030945

CSS-Code:

background-image: linear-gradient(135deg, #420215 10%, #030945 97%);

HEX #420215 to HEX #030945

CSS-Code:

background-image: radial-gradient(circle, #420215 4%, #030945 100%);

HEX #030945 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #030945 11%, #420215 91%);

HEX #030945 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #030945 7%, #420215 93%);

2-color gradients of RGB 66.7 2.6 21 - Square colors

Lineal

HEX #420215 to HEX #374503

CSS-Code:

background-image: linear-gradient(135deg, #420215 6%, #374503 100%);

Radial

HEX #420215 to HEX #374503

CSS-Code:

background-image: radial-gradient(circle, #420215 1%, #374503 98%);

HEX #374503 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #374503 3%, #420215 89%);

HEX #374503 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #374503 4%, #420215 92%);

HEX #420215 to HEX #034531

CSS-Code:

background-image: linear-gradient(135deg, #420215 1%, #034531 95%);

HEX #420215 to HEX #034531

CSS-Code:

background-image: radial-gradient(circle, #420215 2%, #034531 98%);

HEX #034531 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #034531 6%, #420215 87%);

HEX #034531 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #034531 14%, #420215 90%);

HEX #420215 to HEX #100345

CSS-Code:

background-image: linear-gradient(135deg, #420215 11%, #100345 90%);

HEX #420215 to HEX #100345

CSS-Code:

background-image: radial-gradient(circle, #420215 7%, #100345 88%);

HEX #100345 to HEX #420215

CSS-Code:

background-image: linear-gradient(135deg, #100345 3%, #420215 97%);

HEX #100345 to HEX #420215

CSS-Code:

background-image: radial-gradient(circle, #100345 9%, #420215 100%);

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.