Recognised as Colour

#AC6773

#AC6773
Red
Dark
Nearest: Rosy brown

#AC6773 is a red with RGB values 172, 103, 115 and HSL 350°, 29%, 54%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#AC6773#AC6773

HEX#AC6773

RGBrgb(172, 103, 115)

RGB (0–1)0.6745, 0.4039, 0.451

RGB percentages67.5%, 40.4%, 45.1%

HSLhsl(349.6, 29.4%, 53.9%)

HSV / HSBhsv(349.6, 40.1%, 67.5%)

CMYK0%, 40.1%, 33.1%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,298,675

CSS custom property--colour: #AC6773;

Brightness & contrast

Relative luminance0.19709WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.94:1

Contrast with white4.25:1WCAG normal text: Fail

Contrast with black4.94:1WCAG normal text: AA

Greyscale equivalent#777777

Inverted#53988C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#737373no red cones; affects about 1% of men; ΔE 29.8 from the original

Deuteranopia#848072no green cones; the most common form, about 1% of men; ΔE 30.5 from the original

Tritanopia#B8616Bno blue cones; rare, and affects men and women equally; ΔE 8.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.25:1WCAG large text: AA

Contrast with black, large text4.94:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 17.2 Pale violetred · ΔE 19.3 Indian red · ΔE 23.1 Light coral · ΔE 24.6 Dark salmon · ΔE 29.1 Light pink · ΔE 29.6

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 17.23, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#67ACA0

Analogous#AC6796, #AC7E67

Triadic#73AC67, #6773AC

Split complementary#67AC7E, #6795AC

Tetradic#96AC67, #67ACA0, #7E67AC

Tints, shades & saturation

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

Lighter +40%#F4EBED

Lighter +30%#E2CACE

Lighter +20%#D0A9B0

Lighter +10%#BE8891

Darker −10%#914F5B

Darker −20%#703D46

Darker −30%#4F2B31

Darker −40%#2E191D

More saturated +25%#C94A60

Less saturated −25%#8F8486

Channel breakdown

R172

G103

B115

Red172 (67.5%)

Green103 (40.4%)

Blue115 (45.1%)

Hue349.57°

Saturation (HSL)29.36%

Lightness53.92%

Dominant channelRed

Hex per channelR AC · G 67 · B 73

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac6773 (chemical formula)

Formula
1,537,471 g/mol
6773 atoms

Ac6773 has a molar mass of 1,537,471 g/mol, made up of 6773 atoms across 1 element: 6773 × Ac.

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Molar mass

Molar mass1,537,471 g/mol

Total atoms per molecule6773

Distinct elements1

Mass of one molecule2.5530307 × 10^-18 g

Molecules per gram3.9169134 × 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

Ac100%

Actinium (Ac × 6773)1,537,471 g/mol, 100%

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Elements in this formula

Actinium

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