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Recognised as Colour

#B67B81

  • #B67B81
  • Red
  • Dark
  • Nearest: Rosy brown

#B67B81 is a red with RGB values 182, 123, 129 and HSL 354°, 29%, 60%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#B67B81#B67B81
HEX#B67B81
RGBrgb(182, 123, 129)
RGB (0–1)0.7137, 0.4824, 0.5059
RGB percentages71.4%, 48.2%, 50.6%
HSLhsl(353.9, 28.8%, 59.8%)
HSV / HSBhsv(353.9, 32.4%, 71.4%)
CMYK0%, 32.4%, 29.1%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,959,169
CSS custom property--colour: #B67B81;

Brightness & contrast

Relative luminance0.25696WCAG 2.x, 0 is black and 1 is white
Perceived brightness143.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.14:1
Contrast with white3.42:1WCAG normal text: Fail
Contrast with black6.14:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#49847E

Colour vision & accessibility

Protanopia#858481no red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#938F80no green cones; the most common form, about 1% of men; ΔE 25.2 from the original
Tritanopia#C1767Dno blue cones; rare, and affects men and women equally; ΔE 6.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.42:1WCAG large text: AA
Contrast with black, large text6.14:1WCAG large text: AAA

Named colours

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 8.99, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#7BB6B0
Analogous#B67B9F, #B6937B
Triadic#81B67B, #7B81B6
Split complementary#7BB693, #7B9FB6
Tetradic#9FB67B, #7BB6B0, #927BB6

Tints, shades & saturation

Lighter +40%#FFFEFE
Lighter +30%#ECDEDF
Lighter +20%#DABDC0
Lighter +10%#C89CA0
Darker −10%#A45A62
Darker −20%#83484E
Darker −30%#62363B
Darker −40%#412427
More saturated +25%#D0616D
Less saturated −25%#9C9595

Channel breakdown

R182
G123
B129
Red182 (71.4%)
Green123 (48.2%)
Blue129 (50.6%)
Hue353.9°
Saturation (HSL)28.78%
Lightness59.8%
Dominant channelRed
Hex per channelR B6 · G 7B · B 81

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Also reads as

B67B81 (chemical formula)

  • Formula
  • 1,599.88 g/mol
  • 148 atoms

B67B81 has a molar mass of 1,599.88 g/mol, made up of 148 atoms across 1 element: 148 × B.

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Molar mass

Molar mass1,599.88 g/mol
Total atoms per molecule148
Distinct elements1
Mass of one molecule2.6566632 × 10^-21 g
Molecules per gram3.7641203 × 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 × 148)1,599.88 g/mol, 100%

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Every value on this page was computed from “b67b81” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.