Recognised as Colour

#AC5764

#AC5764
Red
Dark
Nearest: Indian red

#AC5764 is a red with RGB values 172, 87, 100 and HSL 351°, 34%, 51%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AC5764#AC5764

HEX#AC5764

RGBrgb(172, 87, 100)

RGB (0–1)0.6745, 0.3412, 0.3922

RGB percentages67.5%, 34.1%, 39.2%

HSLhsl(350.8, 33.9%, 50.8%)

HSV / HSBhsv(350.8, 49.4%, 67.5%)

CMYK0%, 49.4%, 41.9%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,294,564

CSS custom property--colour: #AC5764;

Brightness & contrast

Relative luminance0.16507WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.88:1

Contrast with white4.88:1WCAG normal text: AA

Contrast with black4.3:1WCAG normal text: Fail

Greyscale equivalent#6A6A6A

Inverted#53A89B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#686764no red cones; affects about 1% of men; ΔE 37.1 from the original

Deuteranopia#7D7762no green cones; the most common form, about 1% of men; ΔE 37.7 from the original

Tritanopia#B94D5Cno blue cones; rare, and affects men and women equally; ΔE 10.2 from the original

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

Contrast with white, large text4.88:1WCAG large text: AAA

Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Indian red · ΔE 17.1 Pale violetred · ΔE 18 Light coral · ΔE 22.5 Rosy brown · ΔE 24.9 Brown · ΔE 27.7 Sienna · ΔE 28.1

Nearest named CSS colourIndian red (#CD5C5C)ΔE 17.07, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#57AC9F

Analogous#AC578F, #AC7457

Triadic#64AC57, #5764AC

Split complementary#57AC74, #578FAC

Tetradic#8FAC57, #57AC9F, #7457AC

Tints, shades & saturation

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

Lighter +40%#EFE0E2

Lighter +30%#DFBDC2

Lighter +20%#CE9BA3

Lighter +10%#BD7983

Darker −10%#8B4550

Darker −20%#69343C

Darker −30%#472329

Darker −40%#251215

More saturated +25%#CB384E

Less saturated −25%#8D767A

Channel breakdown

R172

G87

B100

Red172 (67.5%)

Green87 (34.1%)

Blue100 (39.2%)

Hue350.82°

Saturation (HSL)33.86%

Lightness50.78%

Dominant channelRed

Hex per channelR AC · G 57 · B 64

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac5764 (chemical formula)

Formula
1,308,428 g/mol
5764 atoms

Ac5764 has a molar mass of 1,308,428 g/mol, made up of 5764 atoms across 1 element: 5764 × Ac.

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Molar mass

Molar mass1,308,428 g/mol

Total atoms per molecule5764

Distinct elements1

Mass of one molecule2.1726958 × 10^-18 g

Molecules per gram4.6025771 × 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 × 5764)1,308,428 g/mol, 100%

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Elements in this formula

Actinium

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