Recognised as Colour

#B7B191

#B7B191
Yellow
Dark
Nearest: Tan

#B7B191 is a yellow with RGB values 183, 177, 145 and HSL 51°, 21%, 64%. It is a dark colour, so black text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Tan.

Colour values

#B7B191#B7B191

HEX#B7B191

RGBrgb(183, 177, 145)

RGB (0–1)0.7176, 0.6941, 0.5686

RGB percentages71.8%, 69.4%, 56.9%

HSLhsl(50.5, 20.9%, 64.3%)

HSV / HSBhsv(50.5, 20.8%, 71.8%)

CMYK0%, 3.3%, 20.8%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,038,545

CSS custom property--colour: #B7B191;

Brightness & contrast

Relative luminance0.43556WCAG 2.x, 0 is black and 1 is white

Perceived brightness175.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.71:1

Contrast with white2.16:1WCAG normal text: Fail

Contrast with black9.71:1WCAG normal text: AAA

Greyscale equivalent#B0B0B0

Inverted#484E6E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B8AF8Fno red cones; affects about 1% of men; ΔE 1.3 from the original

Deuteranopia#B9B192no green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#BDACA8no blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.16:1WCAG large text: Fail

Contrast with black, large text9.71:1WCAG large text: AAA

Named colours

Tan · ΔE 11.4 Burlywood · ΔE 17.2 Dark grey · ΔE 17.7 Silver · ΔE 18.4 Wheat · ΔE 19.3 Dark seagreen · ΔE 20.6

Nearest named CSS colourTan (#D2B48C)ΔE 11.37, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#9197B7

Analogous#B79E91, #AAB791

Triadic#91B7B1, #B191B7

Split complementary#91AAB7, #9E91B7

Tetradic#91B79E, #9197B7, #B791AA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F4F3ED

Lighter +20%#DFDDCF

Lighter +10%#CBC7B0

Darker −10%#A39B72

Darker −20%#898159

Darker −30%#6A6445

Darker −40%#4B4731

More saturated +25%#CEC17A

Less saturated −25%#A4A4A4

Channel breakdown

R183

G177

B145

Red183 (71.8%)

Green177 (69.4%)

Blue145 (56.9%)

Hue50.53°

Saturation (HSL)20.88%

Lightness64.31%

Dominant channelRed

Hex per channelR B7 · G B1 · B 91

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B7B191 (chemical formula)

Formula
2,140.38 g/mol
198 atoms

B7B191 has a molar mass of 2,140.38 g/mol, made up of 198 atoms across 1 element: 198 × B.

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Molar mass

Molar mass2,140.38 g/mol

Total atoms per molecule198

Distinct elements1

Mass of one molecule3.5541846 × 10^-21 g

Molecules per gram2.8135849 × 10^20

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 × 198)2,140.38 g/mol, 100%

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Elements in this formula

Boron

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