Recognised as Colour

#B78590

#B78590
Red
Dark
Nearest: Rosy brown

#B78590 is a red with RGB values 183, 133, 144 and HSL 347°, 26%, 62%. 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

#B78590#B78590

HEX#B78590

RGBrgb(183, 133, 144)

RGB (0–1)0.7176, 0.5216, 0.5647

RGB percentages71.8%, 52.2%, 56.5%

HSLhsl(346.8, 25.8%, 62%)

HSV / HSBhsv(346.8, 27.3%, 71.8%)

CMYK0%, 27.3%, 21.3%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,027,280

CSS custom property--colour: #B78590;

Brightness & contrast

Relative luminance0.28856WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.77:1

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

Contrast with black6.77:1WCAG normal text: AA

Greyscale equivalent#909090

Inverted#487A6F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8C8D90no red cones; affects about 1% of men; ΔE 21 from the original

Deuteranopia#98968Fno green cones; the most common form, about 1% of men; ΔE 21.6 from the original

Tritanopia#C08289no blue cones; rare, and affects men and women equally; ΔE 5.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

Contrast with black, large text6.77:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 6.9 Light pink · ΔE 21.9 Gray · ΔE 22.1 Dark grey · ΔE 22.6 Pink · ΔE 23.2 Thistle · ΔE 23.6

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 6.88, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#85B7AC

Analogous#B785A9, #B79385

Triadic#90B785, #8590B7

Split complementary#85B793, #85A9B7

Tetradic#A9B785, #85B7AC, #9385B7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#F0E5E8

Lighter +20%#DDC5CA

Lighter +10%#CAA5AD

Darker −10%#A46573

Darker −20%#874F5C

Darker −30%#673C46

Darker −40%#462A30

More saturated +25%#CF6D82

Less saturated −25%#9F9D9E

Channel breakdown

R183

G133

B144

Red183 (71.8%)

Green133 (52.2%)

Blue144 (56.5%)

Hue346.8°

Saturation (HSL)25.77%

Lightness61.96%

Dominant channelRed

Hex per channelR B7 · G 85 · B 90

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B78590 (chemical formula)

Formula
849,557.9 g/mol
78590 atoms

B78590 has a molar mass of 849,557.9 g/mol, made up of 78590 atoms across 1 element: 78590 × B.

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Molar mass

Molar mass849,557.9 g/mol

Total atoms per molecule78590

Distinct elements1

Mass of one molecule1.4107241 × 10^-18 g

Molecules per gram7.0885584 × 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 × 78590)849,557.9 g/mol, 100%

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Elements in this formula

Boron

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