Recognised as Colour

#B88780

#B88780
Red
Dark
Nearest: Rosy brown

#B88780 is a red with RGB values 184, 135, 128 and HSL 8°, 28%, 61%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#B88780#B88780

HEX#B88780

RGBrgb(184, 135, 128)

RGB (0–1)0.7216, 0.5294, 0.502

RGB percentages72.2%, 52.9%, 50.2%

HSLhsl(7.5, 28.3%, 61.2%)

HSV / HSBhsv(7.5, 30.4%, 72.2%)

CMYK0%, 26.6%, 30.4%, 27.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,093,312

CSS custom property--colour: #B88780;

Brightness & contrast

Relative luminance0.29077WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.82:1

Contrast with white3.08:1WCAG normal text: Fail

Contrast with black6.82:1WCAG normal text: AA

Greyscale equivalent#919191

Inverted#47787F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#918D7Fno red cones; affects about 1% of men; ΔE 19.2 from the original

Deuteranopia#9D977Fno green cones; the most common form, about 1% of men; ΔE 19.9 from the original

Tritanopia#C38185no blue cones; rare, and affects men and women equally; ΔE 8.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.08:1WCAG large text: AA

Contrast with black, large text6.82:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 5.4 Dark salmon · ΔE 21.5 Gray · ΔE 22.2 Dark grey · ΔE 22.6 Tan · ΔE 23.2 Light pink · ΔE 23.4

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 5.36, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#80B1B8

Analogous#B88095, #B8A380

Triadic#80B887, #8780B8

Split complementary#80B8A3, #8095B8

Tetradic#95B880, #80B1B8, #A380B8

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#EFE4E2

Lighter +20%#DDC5C1

Lighter +10%#CAA6A1

Darker −10%#A6685F

Darker −20%#87534B

Darker −30%#663F39

Darker −40%#452B27

More saturated +25%#D17467

Less saturated −25%#9F9A99

Channel breakdown

R184

G135

B128

Red184 (72.2%)

Green135 (52.9%)

Blue128 (50.2%)

Hue7.5°

Saturation (HSL)28.28%

Lightness61.18%

Dominant channelRed

Hex per channelR B8 · G 87 · B 80

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B88780 (chemical formula)

Formula
959,711.8 g/mol
88780 atoms

B88780 has a molar mass of 959,711.8 g/mol, made up of 88780 atoms across 1 element: 88780 × B.

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Molar mass

Molar mass959,711.8 g/mol

Total atoms per molecule88780

Distinct elements1

Mass of one molecule1.5936389 × 10^-18 g

Molecules per gram6.2749471 × 10^17

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 × 88780)959,711.8 g/mol, 100%

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Elements in this formula

Boron

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