Recognised as Colour

#AC6F83

#AC6F83
Red
Dark
Nearest: Rosy brown

#AC6F83 is a red with RGB values 172, 111, 131 and HSL 340°, 27%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#AC6F83#AC6F83

HEX#AC6F83

RGBrgb(172, 111, 131)

RGB (0–1)0.6745, 0.4353, 0.5137

RGB percentages67.5%, 43.5%, 51.4%

HSLhsl(340.3, 26.9%, 55.5%)

HSV / HSBhsv(340.3, 35.5%, 67.5%)

CMYK0%, 35.5%, 23.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,300,739

CSS custom property--colour: #AC6F83;

Brightness & contrast

Relative luminance0.21778WCAG 2.x, 0 is black and 1 is white

Perceived brightness134.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.36:1

Contrast with white3.92:1WCAG normal text: Fail

Contrast with black5.36:1WCAG normal text: AA

Greyscale equivalent#7D7D7D

Inverted#53907C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#777A84no red cones; affects about 1% of men; ΔE 26.6 from the original

Deuteranopia#868582no green cones; the most common form, about 1% of men; ΔE 27.4 from the original

Tritanopia#B66C76no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.92:1WCAG large text: AA

Contrast with black, large text5.36:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 15.9 Pale violetred · ΔE 19.7 Gray · ΔE 27 Light pink · ΔE 27.9 Dim grey · ΔE 28.6 Light coral · ΔE 28.7

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 15.91, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6FAC98

Analogous#AC6FA2, #AC7A6F

Triadic#83AC6F, #6F83AC

Split complementary#6FAC79, #6FA2AC

Tetradic#A2AC6F, #6FAC98, #796FAC

Tints, shades & saturation

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

Lighter +40%#F7F0F2

Lighter +30%#E4D0D7

Lighter +20%#D1B0BB

Lighter +10%#BF8F9F

Darker −10%#935569

Darker −20%#734252

Darker −30%#52303B

Darker −40%#321D24

More saturated +25%#C85379

Less saturated −25%#908B8D

Channel breakdown

R172

G111

B131

Red172 (67.5%)

Green111 (43.5%)

Blue131 (51.4%)

Hue340.33°

Saturation (HSL)26.87%

Lightness55.49%

Dominant channelRed

Hex per channelR AC · G 6F · B 83

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac6F83 (chemical formula)

Formula
2,938.834 g/mol
89 atoms

Ac6F83 has a molar mass of 2,938.834 g/mol, made up of 89 atoms across 2 elements: 6 × Ac, 83 × F.

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Molar mass

Molar mass2,938.834 g/mol

Total atoms per molecule89

Distinct elements2

Mass of one molecule4.8800487 × 10^-21 g

Molecules per gram2.0491599 × 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

Ac46.3%

F53.7%

Actinium (Ac × 6)1,362 g/mol, 46.345%

Fluorine (F × 83)1,576.834 g/mol, 53.655%

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