Recognised as Colour

#B7B8B9

#B7B8B9
Grey
Dark
Nearest: Silver

#B7B8B9 is a grey with RGB values 183, 184, 185 and HSL 210°, 1%, 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

#B7B8B9#B7B8B9

HEX#B7B8B9

RGBrgb(183, 184, 185)

RGB (0–1)0.7176, 0.7216, 0.7255

RGB percentages71.8%, 72.2%, 72.5%

HSLhsl(210, 1.4%, 72.2%)

HSV / HSBhsv(210, 1.1%, 72.5%)

CMYK1.1%, 0.5%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,040,377

CSS custom property--colour: #B7B8B9;

Brightness & contrast

Relative luminance0.47851WCAG 2.x, 0 is black and 1 is white

Perceived brightness183.8 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#484746

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8B8B9no red cones; affects about 1% of men; ΔE 0.4 from the original

Deuteranopia#B7B8B9no green cones; the most common form, about 1% of men; ΔE 0 from the original

Tritanopia#B7B8B8no blue cones; rare, and affects men and women equally; ΔE 0.5 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 Dark grey · ΔE 5.5 Light grey · ΔE 9.8 Gainsboro · ΔE 13 Light steelblue · ΔE 15.1 Thistle · ΔE 16.8

Nearest named CSS colourSilver (#C0C0C0)ΔE 3.04, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B9B8B7

Analogous#B7B9B9, #B7B7B9

Triadic#B9B7B8, #B8B9B7

Split complementary#B9B7B7, #B9B9B7

Tetradic#B9B7B9, #B9B8B7, #B7B9B7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#EBEBEB

Lighter +10%#D1D2D2

Darker −10%#9D9FA0

Darker −20%#838587

Darker −30%#6A6C6D

Darker −40%#515253

More saturated +25%#A5B8CB

Less saturated −25%#B8B8B8

Channel breakdown

R183

G184

B185

Red183 (71.8%)

Green184 (72.2%)

Blue185 (72.5%)

Hue210°

Saturation (HSL)1.41%

Lightness72.16%

Dominant channelBlue

Hex per channelR B7 · G B8 · B B9

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B7B8B9 (chemical formula)

Formula
259.44 g/mol
24 atoms

B7B8B9 has a molar mass of 259.44 g/mol, made up of 24 atoms across 1 element: 24 × B.

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Molar mass

Molar mass259.44 g/mol

Total atoms per molecule24

Distinct elements1

Mass of one molecule4.3081026 × 10^-22 g

Molecules per gram2.3212075 × 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 × 24)259.44 g/mol, 100%

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Elements in this formula

Boron

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