Recognised as Colour

#AC44CE

#AC44CE
Violet
Dark
Nearest: Medium orchid

#AC44CE is a violet with RGB values 172, 68, 206 and HSL 285°, 58%, 54%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium orchid.

Colour values

#AC44CE#AC44CE

HEX#AC44CE

RGBrgb(172, 68, 206)

RGB (0–1)0.6745, 0.2667, 0.8078

RGB percentages67.5%, 26.7%, 80.8%

HSLhsl(285.2, 58.5%, 53.7%)

HSV / HSBhsv(285.2, 67%, 80.8%)

CMYK16.5%, 67%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,289,806

CSS custom property--colour: #AC44CE;

Brightness & contrast

Relative luminance0.17361WCAG 2.x, 0 is black and 1 is white

Perceived brightness128.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.7:1

Contrast with white4.7:1WCAG normal text: AA

Contrast with black4.47:1WCAG normal text: Fail

Greyscale equivalent#646464

Inverted#53BB31

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#006DD2no red cones; affects about 1% of men; ΔE 49.7 from the original

Deuteranopia#4677CBno green cones; the most common form, about 1% of men; ΔE 52.1 from the original

Tritanopia#AA5E84no blue cones; rare, and affects men and women equally; ΔE 52.3 from the original

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

Contrast with white, large text4.7:1WCAG large text: AAA

Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Medium orchid · ΔE 7.8 Dark orchid · ΔE 9.7 Dark magenta · ΔE 21.2 Orchid · ΔE 24 Blue violet · ΔE 24.4 Dark violet · ΔE 24.5

Nearest named CSS colourMedium orchid (#BA55D3)ΔE 7.82, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#66CE44

Analogous#6744CE, #CE44AB

Triadic#CEAC44, #44CEAC

Split complementary#ABCE44, #44CE67

Tetradic#CE6744, #66CE44, #44ABCE

Tints, shades & saturation

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

Lighter +40%#F4E6F8

Lighter +30%#E2BDEE

Lighter +20%#D095E3

Lighter +10%#BE6CD9

Darker −10%#912EB1

Darker −20%#702488

Darker −30%#4E1960

Darker −40%#2D0F37

More saturated +25%#BB26EC

Less saturated −25%#9D61B1

Channel breakdown

R172

G68

B206

Red172 (67.5%)

Green68 (26.7%)

Blue206 (80.8%)

Hue285.22°

Saturation (HSL)58.47%

Lightness53.73%

Dominant channelBlue

Hex per channelR AC · G 44 · B CE

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac44Ce (chemical formula)

Formula
10,128.12 g/mol
45 atoms

Ac44Ce has a molar mass of 10,128.12 g/mol, made up of 45 atoms across 2 elements: 44 × Ac, 1 × Ce.

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Molar mass

Molar mass10,128.12 g/mol

Total atoms per molecule45

Distinct elements2

Mass of one molecule1.6818139 × 10^-20 g

Molecules per gram5.9459611 × 10^19

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

Ac98.6%

Ce1.4%

Actinium (Ac × 44)9,988 g/mol, 98.617%

Cerium (Ce)140.12 g/mol, 1.383%

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Elements in this formula

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