Recognised as Colour

#B9B9B9

#B9B9B9
Grey
Dark
Nearest: Silver

#B9B9B9 is a grey with RGB values 185, 185, 185 and HSL 0°, 0%, 73%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Silver.

Colour values

#B9B9B9#B9B9B9

HEX#B9B9B9

RGBrgb(185, 185, 185)

RGB (0–1)0.7255, 0.7255, 0.7255

RGB percentages72.5%, 72.5%, 72.5%

HSLhsl(0, 0%, 72.5%)

HSV / HSBhsv(0, 0%, 72.5%)

CMYK0%, 0%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,171,705

CSS custom property--colour: #B9B9B9;

Brightness & contrast

Relative luminance0.48515WCAG 2.x, 0 is black and 1 is white

Perceived brightness185 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.7:1

Contrast with white1.96:1WCAG normal text: Fail

Contrast with black10.7:1WCAG normal text: AAA

Greyscale equivalent#B9B9B9

Inverted#464646

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B9B9B9no red cones; affects about 1% of men; ΔE 0 from the original

Deuteranopia#B9B9B9no green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#B9B9B9no blue cones; rare, and affects men and women equally; ΔE 0 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.96:1WCAG large text: Fail

Contrast with black, large text10.7:1WCAG large text: AAA

Named colours

Silver · ΔE 2.6 Dark grey · ΔE 5.9 Light grey · ΔE 9.4 Gainsboro · ΔE 12.6 Light steelblue · ΔE 15.6 Thistle · ΔE 16.9

Nearest named CSS colourSilver (#C0C0C0)ΔE 2.56, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#B9B9B9

Analogous#B9B9B9, #B9B9B9

Triadic#B9B9B9, #B9B9B9

Split complementary#B9B9B9, #B9B9B9

Tetradic#B9B9B9, #B9B9B9, #B9B9B9

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#ECECEC

Lighter +10%#D3D3D3

Darker −10%#A0A0A0

Darker −20%#868686

Darker −30%#6D6D6D

Darker −40%#535353

More saturated +25%#CBA8A8

Less saturated −25%#B9B9B9

Channel breakdown

R185

G185

B185

Red185 (72.5%)

Green185 (72.5%)

Blue185 (72.5%)

Hue0°

Saturation (HSL)0%

Lightness72.55%

Dominant channelNone: the channels are equal (a neutral grey)

Hex per channelR B9 · G B9 · B B9

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B9B9B9 (chemical formula)

Formula
291.87 g/mol
27 atoms

B9B9B9 has a molar mass of 291.87 g/mol, made up of 27 atoms across 1 element: 27 × B.

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Molar mass

Molar mass291.87 g/mol

Total atoms per molecule27

Distinct elements1

Mass of one molecule4.8466154 × 10^-22 g

Molecules per gram2.0632956 × 10^21

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

B100%

Boron (B × 27)291.87 g/mol, 100%

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Elements in this formula

Boron

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