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Boulder Brown Color

HEX #655E4E / RGB (101, 94, 78)

Boulder brown rock

What is Boulder Brown Color?

Boulder Brown (Hex code: 655E4E) Thumbnail

Boulder Brown has the hex code #655E4E. The equivalent RGB values are (101, 94, 78), which means it is composed of 37% red, 34% green and 29% blue. The CMYK color codes, used in printers, are C:0 M:7 Y:23 K:60. In the HSV/HSB scale, Boulder Brown has a hue of 42°, 23% saturation and a brightness value of 40%.
Details of other color codes including equivalent web safe and HTML & CSS colors are given in the table below. Also listed are the closest Pantone® (PMS) and RAL colors.

Boulder Brown is from the RAL Design list where it is included with the number 090 40 10. RAL is a popular color matching system used in several European countries like Germany, Italy, France and the United Kingdom. RAL Design, which has colors for interiors, is different from the RAL Classic list.

Boulder Brown color hex code is #655E4E which can be used along with RGB (101, 94, 78) or HSL values in HTML and/or CSS to display the color on web pages. Please note that the corresponding CMYK values and the Pantone (PMS) number listed on this page have been calculated from the hexadecimal color code and are only approximations.

Download Boulder Brown Solid Color Background

Boulder Brown Color Codes

Hex Code#655E4E
RGB Values(101, 94, 78)
CMYK Values(0%, 7%, 23%, 60%)
HSV/HSB Values(42°, 23%, 40%)
Closest Web Safe#666666
Inverse Color#9AA1B1 [Cadet Grey]
Closest Pantone®405 C
Closest RAL7009 [Green grey]
Complementary Color#4E5565 [Independence]
Boulder Brown Converted to Grayscale Codes
Simple Average#5B5B5B
Weighted Average (Most Common)#5E5E5E
Weighted Average (Luma)#5E5E5E
Weighted Average (Gamma Adjusted)#9E9E9E

Boulder Brown Color Palettes

Complementary color palette of 655E4E. Complementary color is 4E5565

Complementary Palette

The complement of Boulder Brown is Independence with the hex code #4E5565. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #655E4E color is offered by #4E5565. The complementary color palette is easiest to use and work with. Studies have shown that contrasting color palette is the best way to grab a viewer's attention.

655E4E 4E5565
Analogous color palette with (655E4E, 61654E and 65534E)

Analogous Palette

The analogous colors of Boulder Brown (#655E4E) are Ebony (#61654E) and Wenge (#65534E). In the RGB color wheel, these two analogous colors occur to the right and left of Boulder Brown with a 30° separation on either side. An analogous color palette is extremely soothing to the eyes and works wonders if your main color is soft or pastel.

655E4E 61654E 65534E
Split Complementary color palette with (655E4E, 4E6165 and 534E65)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Boulder Brown (#655E4E) are #4E6165 (Stormcloud) and #534E65 (Independence). A split-complementary color palette consists of the main color along with those on either side (30°) of the complementary color. Based on our research, usage of split-complementary palettes is on the rise online, especially in graphics and web sites designs. It may be because it is not as contrasting as the complementary color palette and, hence, results in a combination which is pleasant to the eyes.

655E4E 4E6165 534E65
Triadic color palette with (655E4E, 4E655E and 5E4E65)

Triadic Palette

Boulder Brown triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #4E655E (Stormcloud) and #5E4E65 (Davy's Grey) along with #655E4E create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

655E4E 4E655E 5E4E65
Tetradic color palette with (655E4E, 4E655E, 4E5565 and 654E55)

Tetradic Palette

The tetradic palette of Boulder Brown has four colors - #4E655E (Stormcloud), #4E5565 (Independence) and #654E55 (Wenge) in addition to the base color (#655E4E). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors slightly to achieve desired results.

655E4E 4E655E 4E5565 654E55
Square color palette with (655E4E, 4E6553, 4E5565 and 654E61)

Square Palette

Boulder Brown square color palette has #4E6553 (Feldgrau), #4E5565 (Independence) and #654E61 (Wenge). Quite like triadic, the hues in a square palette are at the maximum distance from each other, which is 90°.
Note: For several colors purposes, a square palette may look much better than the tetrad color palette.

655E4E 4E6553 4E5565 654E61
Rainbow color

Boulder Brown Color Rainbow Palette

Our Boulder Brown rainbow color palette is based on the RGB model and consists of 7 colors, just like the traditional rainbow. You might not see a lot of variation in color, especially if the chosen color is dark or extremely light. However, this can lead interesting rainbow palettes that are faded, soft, pastel or dull.

655E4E 58654E 4E6558 4E5F65 514E65 654E65 654E52

Tints, Tones & Shades of Boulder Brown Color


  • Transparent 847E71847E71
  • Transparent 938E83938E83
  • Transparent A39E95A39E95
  • Transparent B2AFA7B2AFA7
  • Transparent C1BFB8C1BFB8
  • Transparent D1CFCAD1CFCA
  • Transparent E0DFDCE0DFDC
  • Transparent F0EFEDF0EFED


  • Transparent 6A65586A6558
  • Transparent 6D685D6D685D
  • Transparent 706C62706C62
  • Transparent 736F67736F67
  • Transparent 75726C75726C
  • Transparent 787671787671
  • Transparent 7B79767B7976
  • Transparent 7D7D7B7D7D7B


  • Transparent 514B3E514B3E
  • Transparent 474237474237
  • Transparent 3D382F3D382F
  • Transparent 332F27332F27
  • Transparent 28261F28261F
  • Transparent 1E1C171E1C17
  • Transparent 141310141310
  • Transparent 0A09080A0908

Boulder Brown Color Patterns

  • Transparent

    Boulder Brown Gingham Checks

  • Transparent

    Boulder Brown Vertical Stripes Pattern

  • Transparent

    Boulder Brown Polka Dots Pattern

  • Transparent

    Boulder Brown Honeycomb Pattern

  • Transparent

    Boulder Brown Leaves Pattern

  • Transparent

    Boulder Brown Houndstooth Pattern

  • Transparent

    Boulder Brown Trellis Pattern

  • Transparent

    Boulder Brown Plaid Pattern

Boulder Brown Color Interior Ideas

Pretty Photo frame on Boulder Brown color drawing room interior textured wall

Boulder Brown Color Drawing Room Textured Wall Paint Idea

Pretty Photo frame on Boulder Brown color Living room wal color

Boulder Brown Color Living Room Wall Paint Idea

Pretty Photo frame on Boulder Brown color Bedroom interior wall color

Boulder Brown Color Bedroom Wall Paint Idea

Pretty Photo frame on Boulder Brown color kitchen interior wall color

Boulder Brown Color Kitchen Wall Paint Idea

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