2020 Colors
A comprehensive guide to hex color #666666

About hex color #666666 - near-Granite gray

Hex color #666666 is close to the color named "Granite gray". It's described as "gray". When humans think of gray in ads, the following may come to mind: being transparent, glamorous, graceful, technology, and accessibility. The color typically isn't associated with agriculture. Volvo, Duolingo, and 29 others are using a color close to Granite gray in their branding. (Explore brands using Granite gray).

In RGB colorspace, the hexadecimal color #666666 is created using 40% red, 40% green, and 40% blue. In CMYK colorspace, you can make the color using 0% cyan, 0% magenta, 0% yellow, and 60% black.
 

RGB Composition
   
40%
 
40%
 
40%
   
    R   G   B    
CMYK Composition
 
0%
 
0%
 
0%
60%
 
  C   M   Y   K  

#666666 is made up of R: 102, G: 102, B: 102 in RGB colorspace and C: 0, M:0, Y:0, K:60 in CMYK colorspace. Its decimal value is 6710886 and the closest web-safe color code to it is #666666. Its closest named color is "Granite gray". White should be used ontop of #666666 to ensure the best legibility.

Here's a color conversion chart. It contains technical information about the hex color #666666. If you're a programmer, view the code snippets section for prepared language syntax.

hex #666666
Websafe hex #666666
rgb 102, 102, 102
rgb percent (%) 39.84%, 39.84%, 39.84%
rgba R: 102, G: 102, B: 102, A: 1.0
CMYK C: 0, M:0, Y:0, K:60
hsv 0, 0, 40
hsb 0, 0, 40
luma 101.898
Black or white text? #ffffff
Adobe RGB 102, 102, 102
Closest named color Granite gray
Hunter-Lab 36.45, 0, -0
CIE-L*ab 43.19, 0, -0.01
CIE-L*Ch(ab) 43.19, 0.01, 296.81
CIE-L*uv 43.19, 0, -0.01°

Some colors work better together. Here, you'll find color harmonies and schemes specific to the hex color #666666. These color palettes have been mathematically proven to pair well in designs.
 

Complimentary

The Complimentary color scheme is made up of two colors. These two colors are opposite one another in the color spectrum. The first color is called the "base" #666666 and the second color is called the "compliment" #666666.

Design Tip: Complimentary colors do the job if you want an element to really stand out!

#666666
#666666

Split Complimentary

The Split Complimentary color scheme is made up of three colors. The base color #666666 is paired with the two colors to the left and the right of compliment color #666666.

Design Tip: The Split Complimentary color scheme offers most of the contrast of the Complimentary Color scheme but without being as intense.

#666666
#666666
#666666

Triadic

The Triadic color scheme is made up of three colors. When viewed on a color wheel, all three colors are spaced evenly (120°) apart.

Design Tip: This color scheme tends to produce colors that are quite vibrant, regardless of saturation.

#666666
#666666
#666666

Tetradic

The Tetradic color scheme is made up of four colors. When viewed on a color wheel, all four colors are spaced evenly (90°) apart.

Design Tip: Find balance between the warm and cold colors if you desire to use the Tetradic color scheme in your design.

#666666
#666666
#666666
#666666

Analagous

The Analagous color scheme is made up of three colors. The three colors sit next to one another on the color wheel. The palette is made in similar fashion to how the Split Complimentary palette is made. However, the two secondary colors are adjacent to the base, not the compliment.

Design Tip: Analagous colors often appear in nature. If you're designing with the outdoors in mind, keep this color harmony at your disposal.

#666666
#666666
#666666

When designing or marketing products, especially on a worldwide platform like Amazon, color is important. This section contains links to Amazon products that have some relation to one of the attributes of the color #666666: "glamorous".
 

Please note that 2020 Colours will receive commission for purchases made through the affiliate links above. This page's Amazon links are paid advertisements and are not endoresements or reviews of the product.

Seeing darker, lighter, and tinted variations of the hex color #666666 can help you with your creative processes. Remember, you can click on a color to be taken to its own page full of unique color information.
 

Darker shades

Darker shades are produced by blending #666666 with black #000000.

#141414
#1e1e1e
#282828
#333333
#3d3d3d
#474747
#515151
#5b5b5b

Lighter shades

Lighter shades are produced by blending #666666 with white #FFFFFF.

#848484
#939393
#a3a3a3
#b2b2b2
#c1c1c1
#d1d1d1
#e0e0e0
#efefef

Tones

Tones are produced by blending #666666 with gray #808080.

#7a7a7a
#787878
#757575
#737373
#707070
#6d6d6d
#6b6b6b
#686868

A color gradient may also be known as color progression or a color ramp. A gradient is the gradual transition of one color into another. This section showcases gradients featuring #666666 as the base color. The secondary colors come from the Color Harmonies section above.

Below each gradient is the CSS color code that was used to create it. You can copy and paste it so it can be used in designs of your own.

For more information on how to apply gradients, visit the w3schools.com page on CSS gradients.

Seeing #666666 on a computer or phone screen is much different than how it may appear in the real world. Shown here are 20 different environment types and how #666666 could potentially look inside each of them, given perfect conditions. For example, #666666 appears as #72635a when in northern sky daylight and as #5c6679 when in cool fluorescent.

Incandescent/tungsten
Old direct sunlight at noon
Old daylight
ICC profile PCS
Mid-morning daylight
Daylight, sRGB, Adobe-RGB
North sky daylight
Equal energy
Daylight Fluorescent
Cool fluorescent
White Fluorescent
Warm White Fluorescent
Daylight Fluorescent
Lite White Fluorescent
Daylight fluorescent, D65 simulator
Sylvania F40, D50 simulator
Cool White Fluorescent
Ultralume 50, Philips TL85
Ultralume 40, Philips TL84
Ultralume 30, Philips TL83
Data used in calculating these colors comes courtesy of Easy RGB.

Colors that have names have reached a point of status where they're more than just a hex code: they're real-world associated. View a list of all 1,500+ named colors.

Closest named colors to #666666

#666666 might be precisely the color you're looking for. But, the colors below are a close match. What's better is that they're named colors, meaning chances are there's more information about them. If you feel like taking a slight deviation in hue, click a color below to learn about why it's so unique.

Granite gray
Dim gray
Dark silver
Axolotl
Black coral
Nickel
Cadet
Sonic silver

Furthest named colors to #666666

Looking for something completely different? Try a well-documented complimentary color. The named colors below have been calculated to be the furthest colors from #666666. Click on the colors to explore their unique information.

White
Baby powder
Lotion
Snow
Tooth
Milk
Ghost white
Azure mist

Colors are important to brands and the messages they convey. Brand recognition and colors go hand-in-hand. Knowing what brands are using #666666, or a color similar, can help you in determining whether the color is appropriate to your design.

Shazam uses the color #646464

#242424
#949494
#646464
#0088ff
#9911aa
#aadd22
#cc2288
#e4e4e4
#f4f4f4
#ff0033
#ff7700
#ffaa00

Direct Energy uses the color #666666

#666666
#0f723a
#2c5770
#c7c8ca
#f05d21
   

Duolingo uses the color #4c4c4c

#4c4c4c
#14d4f4
#1cb0f6
#6f6f6f
#7ac70c
#8549ba
#8ee000
#a560e8
#bff199
#cfcfcf
#d33131
#e53838
#f0f0f0
#f7c8c9
#faa918
#ffc715

American Express uses the color #4d4f53

#4d4f53
#002663
  

Clemson University uses the color #685c53

#685c53
#109dc0
#3a4958
#522d80
#566127
#562e19
#86898c
#a25016
#b5c327
#d4c99e
#f66733
#f9e498

Evernote uses the color #525e61

#525e61
#166a8f
#2dbe60
#2facb2
#3b4446
#7b868a
#7b868a
#aeb6b8
#d7dcdd
#eff2f3
  

Mozilla uses the color #4d4e53

#4d4e53
#c13832
#d7d3c8
 

The Ritz-Carlton uses the color #4f5b65

#4f5b65
#006b95
#a01a1f
#b3812a

Bing uses the color #505050

#505050
#a3a3a3
#ffb900
 

Python uses the color #646464

#646464
#4584b6
#ffde57
 

University at Buffalo uses the color #666666

#666666
#002f56
#005bbb
#006570
#00a69c
#2f9fd0
#6da04b
#990000
#ad841f
#e4e4e4
#e56a54
#ebec00
#ffc72c
   

The Next Web uses the color #4e5860

#4e5860
#26313b
#a6abaf
#d9e0e2
#fafbfc
#ff3c1f
  

Oxford University Press uses the color #666666

#000000
#002147
#666666
 

Realex Payments uses the color #4d5255

#4d5255
#f29023
  

Hulu uses the color #666666

#222222
#666666
#41811e
#66aa33
#99cc33
#e8e8e8
  

Easy Jet uses the color #58595b

#000000
#58595b
#ff6600
 

AIESEC uses the color #52565e

#52565e
#037ef3
#0a8ea0
#30c39e
#caccd1
#f3f4f7
#f48924
#f85a40
#ffc845
   

United Way uses the color #505050

#000064
#10167f
#7c81b8
#969696
#505050
#b41428
#e6d7aa
#f0e6c8
#f57814
#fe230a
#ff9600
#ff967d
#ffc87d
   

Knight Foundation uses the color #666666

#000000
#666666
#03cce6
#29c876
#cccccc
#f5f4f2
#fdce2e
#ff3939
#ff4081
   

Volvo uses the color #65665c

#65665c
#003057
#115740
#212721
#425563
#517891
  

Wikipedia uses the color #636466

#000000
#939598
#636466
#c7c8ca

Thomson Reuters uses the color #555555

#444444
#666666
#555555
#cccccc
#e9e9e9
#f7f7f7
#ff8000
 

Wake Forest University uses the color #625750

#000000
#375669
#456525
#511536
#625750
#3d3c1d
#443e67
#59786c
#82231c
#9e7e38
  

Shopify uses the color #666666

#666666
#2d3538
#479ccf
#96bf48
#f2f7fa
#f5f5f5
  

New Balance uses the color #4c4d4f

#4c4d4f
#207c88
#231f20
#aac1bf
#ce2724
#e8e9d7
#f3ec19
 

MailChimp uses the color #5d5c5d

#5d5c5d
#239ab9
#373737
#52bad5
#6dc5dc
#b7b7b7
  

Microsoft Surface uses the color #505050

#000000
#0078d7
#737373
#505050
#eeeeee
   

Daimler uses the color #606061

#606061
#182b45
#193725
#263f6a
#6b0f24
   

Pfizer uses the color #616365

#000000
#616365
#0093d0
#00a950
#00aeef
#4a245e
#75d1e0
#7dba00
#cc292b
#d6006e
#f26649
#f7d417
#f8971d
   

SugarCRM uses the color #595a5c

#595a5c
#282828
#e61718
#e8e9ea

ProtonMail uses the color #505264

#505264
#8a90c7
  
Brand data comes courtesy of Brand Colors. Brands linked may not be suitable for all ages and in no way affiliated with 2020 Colors.

Here you can easily copy-and-paste formatted color code for use with your favorite programming/markup languages like HTML/CSS, Java, Objective-C, and GameMaker Language.

HTML, CSS #666666
Java new Color(102, 102, 102)
.NET Color.FromArgb(255, 102, 102, 102);
Objective-C [UIColor colorWithRed:0.4 green:0.4 blue:0.4 alpha:1.00000];
OpenGL glColor3f(0.4f, 0.4f, 0.4f);
Swift UIColor(red:0.4, green:0.4, blue:0.4, alpha:1.00000)
GameMaker Language (GML) $666666
Python Color('#666666')

This useful chart contains technical information about the hexadecimal color #666666. For example, the direct decimal conversion is 6710886 while the individual RGB conversions are: 102, 102, 102.

BaseRedGreenBlue
Binary011001100110011001100110
Hex666666
Octal146146146
Decimal102102102

If you're considering using #666666 in a logo or design, you can quickly reference below to see how various symbols, icons, and emblems look.

Icons courtesy of Font Awesome.

We learned earlier that White-colored text should be used on a #666666 colored background for best readability. But, you can be the judge of that by looking at the examples below.

This text is hex color #666666 on a solid black (#000000) background.

This text is hex color #666666 on a solid white (#ffffff) background.

This text is solid black (#000000) on a solid hex color #666666 background.

This text is solid white (#ffffff) on a solid hex color #666666 background.

This text is hex color #666666 on a striped black (#000000) and white (#ffffff) background.

This text is hex color #666666 on a striped gray (#808080) and white (#ffffff) background.

This text is solid black (#000000) on a striped hex color #666666 and white (#ffffff) background.

This text is solid white (#ffffff) on a striped hex color #666666 and white (#ffffff) background.

Patterns courtesy of Hero Patterns.

If you're a web developer, you might find it useful to see elements like buttons and check boxes in the color #666666.

Buttons

The HTML and CSS used to create these elements comes from w3schools.com.
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