Information about #645D15 color

#645D15 color image

Basic facts about this digital color

In the Register's classification, #645D15 belongs to the Yellow Color Family, featuring High Saturation and Dark brightness. In numbers: rgb(100, 93, 21) (39.2% red, 36.5% green, 8.2% blue), or CMYK 0 / 3 / 31 / 61 for print. Curious how these numbers work? Read our RGB color codes guide.

A vivid, lively sunny yellow, #645D15 carries a shadowy depth. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Greenish Brown (#696112). Nearby in the Register you will also find Himalaya (#6A5D1B) and Antique Bronze (#665D1E).

Technically, the mix leans on its red channel (rgb(100, 93, 21)), which gives #645D15 its character. If you plan to put text on a #645D15 background, choose white — the contrast ratio is 6.7:1 (passing WCAG AA), while black manages only 3.1:1. For print, note the heavy black component (K:61) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #645D15 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#645D15 color variations

View this color variations of tints, shades, tones and hues.

#645D15 color tints

Tints look brighter, pastel, and less intense.
#645D15

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#A49A22

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#D6C93F

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#E3DB7F

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#F1EDBF

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White

#FFFFFF

#645D15 color shades

Shades look darker, richer, and more solid.
#645D15

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#504B11

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#3C380C

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#282508

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#141204

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Black

#000000

#645D15 color tones

Tones looks more sophisticated and complex than base colors.
#645D15

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#716A23

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#797435

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#7F7A4A

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#817E63

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Grey

#808080

#645D15 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#15641E

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#2B6415

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#4B6415

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#645D15

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#643E15

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#641E15

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#64152B

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#645D15 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes
#645D15
#645D15

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#151C65
#151C65

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Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme
#645D15
#645D15

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#371565
#371565

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#154465
#154465

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Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme
#446515
#446515

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#645D15
#645D15

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#653715
#653715

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Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme
#645D15
#645D15

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#15655E
#15655E

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#5E1565
#5E1565

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#645D15
#645D15

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#1C6515
#1C6515

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#151C65
#151C65

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#5E1565
#5E1565

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#645D15
#645D15

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#156537
#156537

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#151C65
#151C65

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#651544
#651544

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Nearest named colors to #645D15

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Greenish Brown color link
Greenish Brown

#696112

Himalaya color link
Himalaya

#6A5D1B

Antique Bronze color link
Antique Bronze

#665D1E

Field Drab color link
Field Drab

#6C541E

Saratoga color link
Saratoga

#555B10

Greeny Brown color link
Greeny Brown

#696006

Spicy Mustard color link
Spicy Mustard

#74640D

Brown Green color link
Brown Green

#706C11

Olive Brown color link
Olive Brown

#645403

Costa Del Sol color link
Costa Del Sol

#625D2A

Mud Green color link
Mud Green

#606602

Browny Green color link
Browny Green

#6F6C0A

#645D15 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#645D15 color image #645D15 color ORCN HD wallpaper 3840x2160 (Desktop)
#645D15 color image #645D15 color ORCN HD wallpaper 1170x2532 (Mobile)
#645D15 color image #645D15 color solid HD wallpaper 3840x2160 (Desktop)
#645D15 color image #645D15 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#645D15
  • RGB100, 93, 21
  • CMYK0, 3, 31, 61
  • CSSrgb(100, 93, 21)
  • HSL55°, 65%, 24%
  • HSL Precise54.684°, 65.289%, 23.725%
  • HSV55°, 79%, 39%
  • HSB55°, 79%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.365
  • Normalized B (0.0–1.0)0.082
  • GLSLvec3(0.392, 0.365, 0.082)
  • GLSL with alphavec4(0.392, 0.365, 0.082, 1.000)
  • HLSL / Metalfloat3(0.392, 0.365, 0.082)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB36.5%
  • Percentage of Blue in RGB8.2%
  • Color FamilyYellow
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID645D15
  • DECIMAL ID6577429
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.