Recognised as Colour

#B4B9B8

#B4B9B8
Grey
Dark
Nearest: Silver

#B4B9B8 is a grey with RGB values 180, 185, 184 and HSL 168°, 3%, 72%. It is a dark colour, so black text on it reaches 10.6:1 contrast (AAA for normal text). The nearest named colour is Silver.

Colour values

#B4B9B8#B4B9B8

HEX#B4B9B8

RGBrgb(180, 185, 184)

RGB (0–1)0.7059, 0.7255, 0.7216

RGB percentages70.6%, 72.5%, 72.2%

HSLhsl(168, 3.4%, 71.6%)

HSV / HSBhsv(168, 2.7%, 72.5%)

CMYK2.7%, 0%, 0.5%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,844,024

CSS custom property--colour: #B4B9B8;

Brightness & contrast

Relative luminance0.47862WCAG 2.x, 0 is black and 1 is white

Perceived brightness183.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.57:1

Contrast with white1.99:1WCAG normal text: Fail

Contrast with black10.57:1WCAG normal text: AAA

Greyscale equivalent#B8B8B8

Inverted#4B4647

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8B8B8no red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#B7B8B8no green cones; the most common form, about 1% of men; ΔE 1.6 from the original

Tritanopia#B3B9B9no blue cones; rare, and affects men and women equally; ΔE 0.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.99:1WCAG large text: Fail

Contrast with black, large text10.57:1WCAG large text: AAA

Named colours

Silver · ΔE 3.5 Dark grey · ΔE 5.8 Light grey · ΔE 10 Gainsboro · ΔE 13.2 Light steelblue · ΔE 15.6 Light blue · ΔE 17.1

Nearest named CSS colourSilver (#C0C0C0)ΔE 3.54, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B9B4B5

Analogous#B4B9B5, #B4B7B9

Triadic#B8B4B9, #B9B8B4

Split complementary#B9B4B7, #B9B5B4

Tetradic#B5B4B9, #B9B4B5, #B7B9B4

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#E9EAEA

Lighter +10%#CED2D1

Darker −10%#9AA09F

Darker −20%#7F8886

Darker −30%#666E6C

Darker −40%#4E5352

More saturated +25%#A2CBC3

Less saturated −25%#B6B6B6

Channel breakdown

R180

G185

B184

Red180 (70.6%)

Green185 (72.5%)

Blue184 (72.2%)

Hue168°

Saturation (HSL)3.45%

Lightness71.57%

Dominant channelGreen

Hex per channelR B4 · G B9 · B B8

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B4B9B8 (chemical formula)

Formula
227.01 g/mol
21 atoms

B4B9B8 has a molar mass of 227.01 g/mol, made up of 21 atoms across 1 element: 21 × B.

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Molar mass

Molar mass227.01 g/mol

Total atoms per molecule21

Distinct elements1

Mass of one molecule3.7695897 × 10^-22 g

Molecules per gram2.6528086 × 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 × 21)227.01 g/mol, 100%

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Elements in this formula

Boron

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