Now offer period OUR API HAS BEEN EXPANDED

New Year: 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 2025-12-31 up to and including 2026-01-14 (23:59 CET)

API packages & prices X

Information

close all

Complementary means first and foremost complementary. With color tones there is always a direct complementary color that is exactly opposite to the other.

With this color tone #666F213F it is the complementary color #9990DE3F. Both colors form the strongest contrast to each other and are especially recommended for use in direct connection with each other.

If you display a text with its complementary color on a background with the displayed color, you will get a representation that is pleasant to the eyes and clearly too indistinguishable from each other. However, this is especially true for white, black and gray tones. With these, the contrasting colors are particularly natural, pleasant and common for our eyes.

Exposures are based on the same hue and represent lighter versions of the current color #666F213F. Besides the border colors white and black, almost all colors have lighter versions that can be used optimally in web design

The following lighter shades match the #666F213F shade: #6B6F1C3F, #7C812F3F, #8D93423F, #9EA5553F and #AFB7683F

You can use them to modify buttons with mouse-over effects (called :hover in CSS) or to generate other color gradations like gradients.

Shades are based on the same hue and represent a darker version of the current color #666F213F. In addition to the border colors white and black, almost all colors have shades that can be used optimally in web design.

The following darker shades match the #666F213F shade: #666F213F, #555D0E3F, #444B003F, #3339003F and #2227003F

Among other things, you can use them to modify buttons with mouse-over effects (called :hover in CSS) or generate other color gradations.

Warmer colors are created when the hue is shifted towards red, orange and yellow. These colors convey warmth, energy and an inviting atmosphere.

The following warmer shades match the #666F213F shade: #656E21, #6E6221, #6E4D21, #6E3821 and #6E2421

They are stimulating and dynamic and are often used to attract attention or create a friendly and lively mood. An example of this transition is a shift from a cool blue through purple to red and orange.

Colder colors are created by shifting the hue towards green, blue and violet.

The following colder shades match the #666F213F shade: #656E21, #506E21, #3B6E21, #276E21 and #216E30

These colors have a cool, calming effect and create distance. They are often used to convey a sense of calm, freshness and stability. A classic example of this color range is a gradient from yellow to green to a deep blue or violet, reminiscent of water and sky.

Richer colors are created by increasing the saturation, which makes the colors appear more intense, brighter and stronger. A color with high saturation is more eye-catching and appears more vibrant and powerful. This effect can be used to emphasize important elements or to create a vibrant design.

The #666F213F shade matches the following richer shades: #656E21, #6E7A15 and #77850A

An example is the development from a pale pink to a strong and bright red.

Less saturated colors are created by reducing the saturation, which makes the colors more muted, subtle and pastel-like. As the saturation is reduced further, they become closer and closer to a shade of gray. These colors appear calmer and more elegant and are suitable for a restrained and harmonious design.

The following paler shades match the #666F213F shade: #656E21, #5C622C, #535738, #4A4B44 and #42404F

An example is the change of a strong blue to a subdued grey-blue or almost neutral shade.

The analog color scheme uses colors that are directly adjacent to each other in the color wheel. They usually fit together well and result in a calm and comfortable design.

The following analogous shades match the #666F213F shade: #6E4D21, #6E6121, #666E21, #526E21 and #3D6E21

Analog color schemes are often found in nature. They are harmonious and pleasant to the eye. It is important that they have enough contrast. Choose one color to dominate and a second to support. The third color is used (together with black, white or grey) as an accent

The monochromatic color scheme uses colors that are on the same wavelength. They usually fit together very well and result in a pleasant and evenly colored design.

The following monochrome shades match the #666F213F shade: #2B2E0E, #484E17, #656E21, #828E2A and #9FAD34

Monochromatic color schemes are often found in nature. They are harmonious and calm to the eye

The partial complementary color scheme is a variation of the complementary color scheme. In addition to the base color, the two colors adjacent to the complement are used.

The following split-complementary shades match the #666F213F shade: #666F21, #216E38 and #57216E

This color scheme has the same strong visual contrast as the complementary color scheme, but is not as contrasting as the direct complementary color. The partial complementary color scheme is a good choice for designs. These colors usually complement each other very well.

A triadic color scheme uses colors evenly spaced around the color wheel. Triadic color harmonies are usually quite vivid, even if pale or unsaturated colors are used.

The following triaden shades match the #666F213F shade: #666F21, #21666E and #6E2166

The colors should be well chosen to achieve triadic harmony. Let one color dominate and use the other two as accent colors.

The rectangular or tetradish color scheme uses four colors arranged in two complementary pairs. This rich color scheme offers many variation possibilities.

The following tetraden shades match the #666F213F shade: #666F21, #216E38, #29216E and #6E2157

It works best if you let one of these colors dominate. You should also pay attention to the balance between warm and cold colors in the design

The square color scheme is similar to the rectangular color scheme, with all four colors evenly distributed around the color circle. The square color scheme works best when one color dominates.

The following squaren shades match the #666F213F shade: #666F21, #216E4F, #29216E and #6E2140

Again, pay attention to the balance between warm and cold colors in the design.

Note

Colors are displayed differently on each device. Please note that the colors do not always match 100%. Differences can occur when real colors are processed. We recommend a comparison of the real colors. We do not assume any liability.

Display options

Primary color

CMYK 2 / 0 / 18 / 14

HEX #666F213F

RGBA 102 111 33 0.25

HSLA 66.92, 0.54%, 0.28%, 0.25

LABA 44.67, -14.63, 40.42, 0.25

 

Complementary color

CMYK 8 / 9 / 0 / 3

HEX #9990DE3F

RGBA 153 144 222 0.25

HSLA 246.92, 0.54%, 0.72%, 0.25

LABA 63.34, 20.78, -38.55, 0.25

 

CMYK 1 / 0 / 19 / 14

HEX #6B6F1C3F

RGBA 107 111 28 0.25

HSLA 62.89, 0.6%, 0.27%, 0.25

LABA 45.05, -12.62, 43.02, 0.25

 

CMYK 1 / 0 / 16 / 12

HEX #7C812F3F

RGBA 124 129 47 0.25

HSLA 63.66, 0.47%, 0.35%, 0.25

LABA 52.05, -13.42, 42.48, 0.25

 

CMYK 1 / 0 / 14 / 11

HEX #8D93423F

RGBA 141 147 66 0.25

HSLA 64.44, 0.38%, 0.42%, 0.25

LABA 58.9, -14.01, 41.48, 0.25

 

CMYK 1 / 0 / 12 / 9

HEX #9EA5553F

RGBA 158 165 85 0.25

HSLA 65.25, 0.32%, 0.49%, 0.25

LABA 65.62, -14.45, 40.31, 0.25

 

CMYK 1 / 0 / 11 / 7

HEX #AFB7683F

RGBA 175 183 104 0.25

HSLA 66.08, 0.35%, 0.56%, 0.25

LABA 72.22, -14.79, 39.11, 0.25

 

CMYK 2 / 0 / 18 / 14

HEX #666F213F

RGBA 102 111 33 0.25

HSLA 66.92, 0.54%, 0.28%, 0.25

LABA 44.67, -14.63, 40.42, 0.25

 

CMYK 2 / 0 / 21 / 16

HEX #555D0E3F

RGBA 85 93 14 0.25

HSLA 66.08, 0.74%, 0.21%, 0.25

LABA 37.47, -13.73, 40.33, 0.25

 

CMYK 2 / 0 / 25 / 18

HEX #444B003F

RGBA 68 75 0 0.25

HSLA 65.6, 1%, 0.15%, 0.25

LABA 30.06, -12.45, 38.24, 0.25

 

CMYK 3 / 0 / 25 / 19

HEX #3339003F

RGBA 51 57 0 0.25

HSLA 66.32, 1%, 0.11%, 0.25

LABA 22.41, -10.61, 30.75, 0.25

 

CMYK 3 / 0 / 25 / 21

HEX #2227003F

RGBA 34 39 0 0.25

HSLA 67.69, 1%, 0.08%, 0.25

LABA 14.35, -8.69, 20.84, 0.25

 

CMYK 8 / 0 / 70 / 57

HEX #656E21

RGB 101 110 33

HSL 67.01, 0.54%, 0.28%

LAB 44.27, -14.54, 39.99

 

CMYK 0 / 11 / 70 / 57

HEX #6E6221

RGB 110 98 33

HSL 50.65, 0.54%, 0.28%

LAB 41.47, -3.52, 37.35

 

CMYK 0 / 30 / 70 / 57

HEX #6E4D21

RGB 110 77 33

HSL 34.29, 0.54%, 0.28%

LAB 35.46, 9.06, 30.91

 

CMYK 0 / 49 / 70 / 57

HEX #6E3821

RGB 110 56 33

HSL 17.92, 0.54%, 0.28%

LAB 30.04, 21.75, 24.76

 

CMYK 0 / 67 / 70 / 57

HEX #6E2421

RGB 110 36 33

HSL 2.34, 0.54%, 0.28%

LAB 25.82, 32.61, 19.72

 

CMYK 8 / 0 / 70 / 57

HEX #656E21

RGB 101 110 33

HSL 67.01, 0.54%, 0.28%

LAB 44.27, -14.54, 39.99

 

CMYK 27 / 0 / 70 / 57

HEX #506E21

RGB 80 110 33

HSL 83.38, 0.54%, 0.28%

LAB 42.71, -23.85, 37.89

 

CMYK 46 / 0 / 70 / 57

HEX #3B6E21

RGB 59 110 33

HSL 99.74, 0.54%, 0.28%

LAB 41.52, -32.01, 36.26

 

CMYK 65 / 0 / 70 / 57

HEX #276E21

RGB 39 110 33

HSL 115.32, 0.54%, 0.28%

LAB 40.72, -38.09, 35.17

 

CMYK 70 / 0 / 56 / 57

HEX #216E30

RGB 33 110 48

HSL 131.69, 0.54%, 0.28%

LAB 40.72, -37.55, 27.64

 

CMYK 8 / 0 / 70 / 57

HEX #656E21

RGB 101 110 33

HSL 67.01, 0.54%, 0.28%

LAB 44.27, -14.54, 39.99

 

CMYK 10 / 0 / 83 / 52

HEX #6E7A15

RGB 110 122 21

HSL 67.13, 0.71%, 0.28%

LAB 48.62, -17.5, 48.85

 

CMYK 11 / 0 / 92 / 48

HEX #77850A

RGB 119 133 10

HSL 66.83, 0.86%, 0.28%

LAB 52.64, -19.5, 55.12

 

CMYK 8 / 0 / 70 / 57

HEX #656E21

RGB 101 110 33

HSL 67.01, 0.54%, 0.28%

LAB 44.27, -14.54, 39.99

 

CMYK 6 / 0 / 55 / 62

HEX #5C622C

RGB 92 98 44

HSL 66.67, 0.38%, 0.28%

LAB 39.9, -11.09, 29.59

 

CMYK 5 / 0 / 36 / 66

HEX #535738

RGB 83 87 56

HSL 67.74, 0.22%, 0.28%

LAB 35.87, -7.33, 17.52

 

CMYK 1 / 0 / 9 / 71

HEX #4A4B44

RGB 74 75 68

HSL 68.57, 0.05%, 0.28%

LAB 31.59, -1.89, 4.03

 

CMYK 16 / 19 / 0 / 69

HEX #42404F

RGB 66 64 79

HSL 248, 0.1%, 0.28%

LAB 27.82, 4.43, -8.73

 

CMYK 0 / 30 / 70 / 57

HEX #6E4D21

RGB 110 77 33

HSL 34.29, 0.54%, 0.28%

LAB 35.46, 9.06, 30.91

 

CMYK 0 / 12 / 70 / 57

HEX #6E6121

RGB 110 97 33

HSL 49.87, 0.54%, 0.28%

LAB 41.18, -2.93, 37.04

 

CMYK 7 / 0 / 70 / 57

HEX #666E21

RGB 102 110 33

HSL 66.23, 0.54%, 0.28%

LAB 44.36, -14.08, 40.11

 

CMYK 25 / 0 / 70 / 57

HEX #526E21

RGB 82 110 33

HSL 81.82, 0.54%, 0.28%

LAB 42.85, -23, 38.07

 

CMYK 45 / 0 / 70 / 57

HEX #3D6E21

RGB 61 110 33

HSL 98.18, 0.54%, 0.28%

LAB 41.62, -31.3, 36.39

 

CMYK 7 / 0 / 70 / 82

HEX #2B2E0E

RGB 43 46 14

HSL 65.63, 0.53%, 0.12%

LAB 17.92, -6.95, 19.59

 

CMYK 8 / 0 / 71 / 69

HEX #484E17

RGB 72 78 23

HSL 66.55, 0.54%, 0.2%

LAB 31.55, -10.97, 30.59

 

CMYK 8 / 0 / 70 / 57

HEX #656E21

RGB 101 110 33

HSL 67.01, 0.54%, 0.28%

LAB 44.27, -14.54, 39.99

 

CMYK 8 / 0 / 70 / 44

HEX #828E2A

RGB 130 142 42

HSL 67.2, 0.54%, 0.36%

LAB 56.35, -17.97, 49.24

 

CMYK 8 / 0 / 70 / 32

HEX #9FAD34

RGB 159 173 52

HSL 66.94, 0.54%, 0.44%

LAB 67.65, -20.67, 57.39

 

CMYK 8 / 0 / 70 / 56

HEX #666F21

RGB 102 111 33

HSL 66.92, 0.54%, 0.28%

LAB 44.67, -14.63, 40.42

 

CMYK 70 / 0 / 49 / 57

HEX #216E38

RGB 33 110 56

HSL 137.92, 0.54%, 0.28%

LAB 40.83, -36.22, 23.4

 

CMYK 21 / 70 / 0 / 57

HEX #57216E

RGB 87 33 110

HSL 282.08, 0.54%, 0.28%

LAB 24.45, 38.08, -33.98

 

CMYK 8 / 0 / 70 / 56

HEX #666F21

RGB 102 111 33

HSL 66.92, 0.54%, 0.28%

LAB 44.67, -14.63, 40.42

 

CMYK 70 / 7 / 0 / 57

HEX #21666E

RGB 33 102 110

HSL 186.23, 0.54%, 0.28%

LAB 39.5, -18.35, -10.8

 

CMYK 0 / 70 / 7 / 57

HEX #6E2166

RGB 110 33 102

HSL 306.23, 0.54%, 0.28%

LAB 27.74, 42.45, -23.34

 

CMYK 8 / 0 / 70 / 56

HEX #666F21

RGB 102 111 33

HSL 66.92, 0.54%, 0.28%

LAB 44.67, -14.63, 40.42

 

CMYK 70 / 0 / 49 / 57

HEX #216E38

RGB 33 110 56

HSL 137.92, 0.54%, 0.28%

LAB 40.83, -36.22, 23.4

 

CMYK 63 / 70 / 0 / 57

HEX #29216E

RGB 41 33 110

HSL 246.23, 0.54%, 0.28%

LAB 18.74, 28.06, -43.51

 

CMYK 0 / 70 / 21 / 57

HEX #6E2157

RGB 110 33 87

HSL 317.92, 0.54%, 0.28%

LAB 26.99, 39.98, -14.71

 

CMYK 8 / 0 / 70 / 56

HEX #666F21

RGB 102 111 33

HSL 66.92, 0.54%, 0.28%

LAB 44.67, -14.63, 40.42

 

CMYK 70 / 0 / 28 / 57

HEX #216E4F

RGB 33 110 79

HSL 155.84, 0.54%, 0.28%

LAB 41.28, -31.35, 10.62

 

CMYK 63 / 70 / 0 / 57

HEX #29216E

RGB 41 33 110

HSL 246.23, 0.54%, 0.28%

LAB 18.74, 28.06, -43.51

 

CMYK 0 / 70 / 42 / 57

HEX #6E2140

RGB 110 33 64

HSL 335.84, 0.54%, 0.28%

LAB 26.08, 36.83, -0.73

 

Description

Color code: HEX #666F213F | qconv.com Color code: HEX #666F213F | qconv.com - big

Dark color: low color values appear darker.

The breakdown of the color into the RGB color system: of 255 maximum color components, 102 red, 111 green and 33 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.
102 111 33 R G B
In the CMYK color system the color is composed as follows: In this color tone, out of 100 maximum color components, 2 cyan, none magenta, 18 yellow and 14 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.
2% 0% 18% 14% C M Y K

Verification of their color palette as a manufacturer!

Provide designers and agencies with accurate color values.

Let's go
Show gradients

Popular conversions

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)

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.