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Information about Dark Gray color

#A9A9A9 - Dark Gray color image

Basic facts about this digital color

The digital color #A9A9A9, known as "Dark Gray", is classified in the Register under the Greyscale Color Family, with Desaturated and Very Light brightness. Its exact recipe is rgb(169, 169, 169) — 66.3% red, 66.3% green, 66.3% blue — and for print it converts to CMYK 0 / 0 / 0 / 34. New to color codes? See our guide to RGB color codes.

#A9A9A9 presents itself as a softly muted balanced grey tone — one that appears airy and pastel-like. In practice it works well for clean interfaces where content needs room to breathe. In The Official Register of Color Names it is practically indistinguishable from Double Surrender (#A8AAAB). Its next-closest registered neighbors are Atmosphere (#A8AAA6) and Chrome Aluminum (#A8A9AD).

Technically, #A9A9A9 is a perfectly balanced RGB mix — red, green and blue all sit at 169, which is what makes it a true neutral. If you plan to put text on a #A9A9A9 background, choose black — the contrast ratio is 8.9:1 (passing WCAG AAA), while white manages only 2.4:1. This precise shade carries the officially registered name "Dark Gray" in the Register.

Dark Gray color variations

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

Why this page shows fewer blocks

Dark Gray belongs to the Greyscale Color Family, and greyscale colors have no hue. Hue is an angle on the color wheel, and that angle only exists when a color leans toward one primary more than the others. Here all three channels are equal (R = G = B), so there is nothing to lean and no angle to measure.

Everything built on rotating that angle therefore has nothing to rotate. A complementary color is the hue 180° away — for a grey, that is the same grey. The same goes for analogous, triadic, tetradic and square harmonies. Rather than show seven identical swatches, the register leaves the Hues variation strip and the whole Harmonies section out.

What remains is everything that depends on lightness rather than hue. Tints, shades and tones still work, because they move the color up and down the scale instead of around the wheel. So do the nearest named colors, the conversions and the adjacent color codes.

How the register classifies colors · All greyscale colors in the register

Nearest named colors to Dark Gray

The closest officially registered color names in the Register, ordered by similarity.

Conversions between color systems and etc.

  • HEX#A9A9A9
  • RGB169, 169, 169
  • CMYK0, 0, 0, 34
  • CSSrgb(169, 169, 169)
  • HSL0°, 0%, 66%
  • HSL Precise0°, 0%, 66.275%
  • HSV0°, 0%, 66%
  • HSB0°, 0%, 66%
  • Normalized R (0.0–1.0)0.663
  • Normalized G (0.0–1.0)0.663
  • Normalized B (0.0–1.0)0.663
  • GLSLvec3(0.663, 0.663, 0.663)
  • GLSL with alphavec4(0.663, 0.663, 0.663, 1.000)
  • HLSL / Metalfloat3(0.663, 0.663, 0.663)
  • Percentage of Red in RGB66.3%
  • Percentage of Green in RGB66.3%
  • Percentage of Blue in RGB66.3%
  • Color FamilyGreyscale
  • Saturation FamilyDesaturated
  • Lightness FamilyVery Light
  • HEX IDA9A9A9
  • DECIMAL ID11119017
  • Name Length9
  • This page visited305 times
  • Counting from2025-01-01