Information about #645A0C color

#645A0C color image

Basic facts about this digital color

#645A0C falls into the Yellow Color Family — High Saturation, Dark brightness. Its exact recipe is rgb(100, 90, 12) — 39.2% red, 35.3% green, 4.7% blue — and for print it converts to CMYK 0 / 4 / 35 / 61. New to color codes? See our guide to RGB color codes.

The color #645A0C reads as a energetic, saturated golden yellow and 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 a hair away from Greeny Brown (#696006). Its next-closest registered neighbors are Greenish Brown (#696112) and Olive Brown (#645403).

In RGB terms — rgb(100, 90, 12) — the red channel does the heavy lifting here. Accessibility-wise, white text works best on #645A0C: 7.0:1 contrast (passing WCAG AA) versus 3.0:1 for black. On paper it relies strongly on black ink (K:61), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #645A0C is still unnamed — it can be claimed and named in The Official Register of Color Names.

#645A0C color variations

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

#645A0C 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 #645A0C

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

Greeny Brown color link
Greeny Brown

#696006

Olive Brown color link
Olive Brown

#645403

Saratoga color link
Saratoga

#555B10

Mud Green color link
Mud Green

#606602

Deep Olive color link
Deep Olive

#595900

Himalaya color link
Himalaya

#6A5D1B

Deep Gold color link
Deep Gold

#594E00

Field Drab color link
Field Drab

#6C541E

Mud Brown color link
Mud Brown

#60460F

Conversions between color systems and etc.

  • HEX#645A0C
  • RGB100, 90, 12
  • CMYK0, 4, 35, 61
  • CSSrgb(100, 90, 12)
  • HSL53°, 79%, 22%
  • HSL Precise53.182°, 78.571%, 21.961%
  • HSV53°, 88%, 39%
  • HSB53°, 88%, 39%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.353
  • Normalized B (0.0–1.0)0.047
  • GLSLvec3(0.392, 0.353, 0.047)
  • GLSL with alphavec4(0.392, 0.353, 0.047, 1.000)
  • HLSL / Metalfloat3(0.392, 0.353, 0.047)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB35.3%
  • Percentage of Blue in RGB4.7%
  • Color FamilyYellow
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID645A0C
  • DECIMAL ID6576652
  • Name LengthThis color has no name
  • Seen by search & AI crawlers30 times
  • Counting from2025-01-01