Recognised as Colour

#AC4668

#AC4668
Red
Dark
Nearest: Pale violetred

#AC4668 is a red with RGB values 172, 70, 104 and HSL 340°, 42%, 47%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Pale violetred.

Colour values

#AC4668#AC4668

HEX#AC4668

RGBrgb(172, 70, 104)

RGB (0–1)0.6745, 0.2745, 0.4078

RGB percentages67.5%, 27.5%, 40.8%

HSLhsl(340, 42.1%, 47.5%)

HSV / HSBhsv(340, 59.3%, 67.5%)

CMYK0%, 59.3%, 39.5%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,290,216

CSS custom property--colour: #AC4668;

Brightness & contrast

Relative luminance0.1415WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.48:1

Contrast with white5.48:1WCAG normal text: AA

Contrast with black3.83:1WCAG normal text: Fail

Greyscale equivalent#5E5E5E

Inverted#53B997

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#595D69no red cones; affects about 1% of men; ΔE 45.1 from the original

Deuteranopia#737066no green cones; the most common form, about 1% of men; ΔE 46.1 from the original

Tritanopia#BA3C53no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.48:1WCAG large text: AAA

Contrast with black, large text3.83:1WCAG large text: AA

Named colours

Pale violetred · ΔE 16.2 Indian red · ΔE 22.3 Light coral · ΔE 28.2 Brown · ΔE 30.1 Medium violet red · ΔE 30.9 Hot pink · ΔE 31

Nearest named CSS colourPale violetred (#DB7093)ΔE 16.17, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#46AC8A

Analogous#AC469B, #AC5746

Triadic#68AC46, #4668AC

Split complementary#46AC57, #469BAC

Tetradic#9BAC46, #46AC8A, #5746AC

Tints, shades & saturation

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

Lighter +40%#ECD2DB

Lighter +30%#DEADBD

Lighter +20%#CF89A0

Lighter +10%#C06583

Darker −10%#883752

Darker −20%#64283C

Darker −30%#3F1A26

Darker −40%#1B0B10

More saturated +25%#CA285E

Less saturated −25%#8E6472

Channel breakdown

R172

G70

B104

Red172 (67.5%)

Green70 (27.5%)

Blue104 (40.8%)

Hue340°

Saturation (HSL)42.15%

Lightness47.45%

Dominant channelRed

Hex per channelR AC · G 46 · B 68

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac4668 (chemical formula)

Formula
1,059,636 g/mol
4668 atoms

Ac4668 has a molar mass of 1,059,636 g/mol, made up of 4668 atoms across 1 element: 4668 × Ac.

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Molar mass

Molar mass1,059,636 g/mol

Total atoms per molecule4668

Distinct elements1

Mass of one molecule1.759567 × 10^-18 g

Molecules per gram5.6832165 × 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 × 4668)1,059,636 g/mol, 100%

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Elements in this formula

Actinium

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