Recognised as Colour

#B1BDBF

#B1BDBF
Cyan
Dark
Nearest: Silver

#B1BDBF is a cyan with RGB values 177, 189, 191 and HSL 189°, 10%, 72%. It is a dark colour, so black text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Silver.

Colour values

#B1BDBF#B1BDBF

HEX#B1BDBF

RGBrgb(177, 189, 191)

RGB (0–1)0.6941, 0.7412, 0.749

RGB percentages69.4%, 74.1%, 74.9%

HSLhsl(188.6, 9.9%, 72.2%)

HSV / HSBhsv(188.6, 7.3%, 74.9%)

CMYK7.3%, 1%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,648,447

CSS custom property--colour: #B1BDBF;

Brightness & contrast

Relative luminance0.49504WCAG 2.x, 0 is black and 1 is white

Perceived brightness185.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.9:1

Contrast with white1.93:1WCAG normal text: Fail

Contrast with black10.9:1WCAG normal text: AAA

Greyscale equivalent#BBBBBB

Inverted#4E4240

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#BBBCBFno red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#B8BABFno green cones; the most common form, about 1% of men; ΔE 4 from the original

Tritanopia#ADBEBEno blue cones; rare, and affects men and women equally; ΔE 2.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.93:1WCAG large text: Fail

Contrast with black, large text10.9:1WCAG large text: AAA

Named colours

Silver · ΔE 4.9 Dark grey · ΔE 7.9 Light grey · ΔE 9.9 Gainsboro · ΔE 12.8 Light steelblue · ΔE 13.3 Light blue · ΔE 14.1

Nearest named CSS colourSilver (#C0C0C0)ΔE 4.86, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BFB3B1

Analogous#B1BFBA, #B1B6BF

Triadic#BFB1BD, #BDBFB1

Split complementary#BFB1B6, #BFBAB1

Tetradic#BAB1BF, #BFB3B1, #B6BFB1

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#E9ECED

Lighter +10%#CDD5D6

Darker −10%#95A5A8

Darker −20%#798E91

Darker −30%#617376

Darker −40%#4A585A

More saturated +25%#9FCAD1

Less saturated −25%#B8B8B8

Channel breakdown

R177

G189

B191

Red177 (69.4%)

Green189 (74.1%)

Blue191 (74.9%)

Hue188.57°

Saturation (HSL)9.86%

Lightness72.16%

Dominant channelBlue

Hex per channelR B1 · G BD · B BF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1BDbF (chemical formula)

Formula
308.618 g/mol
4 atoms

B1BDbF has a molar mass of 308.618 g/mol, made up of 4 atoms across 3 elements: 2 × B, 1 × Db, 1 × F.

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Molar mass

Molar mass308.618 g/mol

Total atoms per molecule4

Distinct elements3

Mass of one molecule5.1247225 × 10^-22 g

Molecules per gram1.9513252 × 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

B7%

Db86.8%

F6.2%

Boron (B × 2)21.62 g/mol, 7.005%

Dubnium (Db)268 g/mol, 86.839%

Fluorine (F)18.998 g/mol, 6.156%

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Elements in this formula

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