Information about #663615 color

#663615 color image

Basic facts about this digital color

#663615 falls into the Orange Color Family — High Saturation, Dark brightness. The mix behind it: rgb(102, 54, 21) — 40% red, 21.2% green, 8.2% blue; the print equivalent is CMYK 0 / 19 / 32 / 60. New to color codes? See our guide to RGB color codes.

A energetic, saturated amber-leaning orange, #663615 leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is just a few steps away from Earthtone (#5D3A1A). Its next-closest registered neighbors are Royal Mahogany (#653420) and Deep Ochre (#733D1A).

The recipe behind #663615 is rgb(102, 54, 21), with red as the dominant ingredient. Accessibility-wise, white text works best on #663615: 10.0:1 contrast (passing WCAG AAA) versus 2.1:1 for black. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #663615 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#663615 color variations

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

#663615 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

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

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

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

Tetradic

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

Tetradic color scheme

Square

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

Square color scheme

Nearest named colors to #663615

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

Earthtone color link
Earthtone

#5D3A1A

Deep Ochre color link
Deep Ochre

#733D1A

Sepia color link
Sepia

#704214

New Amber color link
New Amber

#6D3B24

Dark Brown color link
Dark Brown

#654321

Peru Tan color link
Peru Tan

#733D1F

Mud Brown color link
Mud Brown

#60460F

Pineapple color link
Pineapple

#563C0D

Carnaby Tan color link
Carnaby Tan

#5B3A24

Conversions between color systems and etc.

  • HEX#663615
  • RGB102, 54, 21
  • CMYK0, 19, 32, 60
  • CSSrgb(102, 54, 21)
  • HSL24°, 66%, 24%
  • HSL Precise24.444°, 65.854%, 24.118%
  • HSV24°, 79%, 40%
  • HSB24°, 79%, 40%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.212
  • Normalized B (0.0–1.0)0.082
  • GLSLvec3(0.400, 0.212, 0.082)
  • GLSL with alphavec4(0.400, 0.212, 0.082, 1.000)
  • HLSL / Metalfloat3(0.400, 0.212, 0.082)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB21.2%
  • Percentage of Blue in RGB8.2%
  • Color FamilyOrange
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID663615
  • DECIMAL ID6698517
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01