Recognised as Colour

#B7B8B7

#B7B8B7
Grey
Dark
Nearest: Silver

#B7B8B7 is a grey with RGB values 183, 184, 183 and HSL 120°, 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

#B7B8B7#B7B8B7

HEX#B7B8B7

RGBrgb(183, 184, 183)

RGB (0–1)0.7176, 0.7216, 0.7176

RGB percentages71.8%, 72.2%, 71.8%

HSLhsl(120, 0.7%, 72%)

HSV / HSBhsv(120, 0.5%, 72.2%)

CMYK0.5%, 0%, 0.5%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,040,375

CSS custom property--colour: #B7B8B7;

Brightness & contrast

Relative luminance0.47767WCAG 2.x, 0 is black and 1 is white

Perceived brightness183.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.55:1

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

Contrast with black10.55:1WCAG normal text: AAA

Greyscale equivalent#B8B8B8

Inverted#484748

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8B8B7no red cones; affects about 1% of men; ΔE 0.4 from the original

Deuteranopia#B8B8B7no green cones; the most common form, about 1% of men; ΔE 0.4 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 text10.55:1WCAG large text: AAA

Named colours

Silver · ΔE 3.1 Dark grey · ΔE 5.5 Light grey · ΔE 9.9 Gainsboro · ΔE 13.1 Light steelblue · ΔE 16.1 Thistle · ΔE 17.6

Nearest named CSS colourSilver (#C0C0C0)ΔE 3.1, a close match

Hue familygrey

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B8B7B8

Analogous#B7B8B7, #B7B8B7

Triadic#B7B7B8, #B8B7B7

Split complementary#B7B7B8, #B8B7B7

Tetradic#B7B7B8, #B8B7B8, #B8B7B7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#EAEBEA

Lighter +10%#D1D1D1

Darker −10%#9D9F9D

Darker −20%#848584

Darker −30%#6A6C6A

Darker −40%#515251

More saturated +25%#A5CAA5

Less saturated −25%#B7B7B7

Channel breakdown

R183

G184

B183

Red183 (71.8%)

Green184 (72.2%)

Blue183 (71.8%)

Hue120°

Saturation (HSL)0.7%

Lightness71.96%

Dominant channelGreen

Hex per channelR B7 · G B8 · B B7

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B7B8B7 (chemical formula)

Formula
237.82 g/mol
22 atoms

B7B8B7 has a molar mass of 237.82 g/mol, made up of 22 atoms across 1 element: 22 × B.

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Molar mass

Molar mass237.82 g/mol

Total atoms per molecule22

Distinct elements1

Mass of one molecule3.949094 × 10^-22 g

Molecules per gram2.5322264 × 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 × 22)237.82 g/mol, 100%

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Elements in this formula

Boron

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