Recognised as Colour

#AC7477

#AC7477
Red
Dark
Nearest: Rosy brown

#AC7477 is a red with RGB values 172, 116, 119 and HSL 357°, 25%, 56%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#AC7477#AC7477

HEX#AC7477

RGBrgb(172, 116, 119)

RGB (0–1)0.6745, 0.4549, 0.4667

RGB percentages67.5%, 45.5%, 46.7%

HSLhsl(356.8, 25.2%, 56.5%)

HSV / HSBhsv(356.8, 32.6%, 67.5%)

CMYK0%, 32.6%, 30.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,302,007

CSS custom property--colour: #AC7477;

Brightness & contrast

Relative luminance0.22593WCAG 2.x, 0 is black and 1 is white

Perceived brightness135.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.52:1

Contrast with white3.81:1WCAG normal text: Fail

Contrast with black5.52:1WCAG normal text: AA

Greyscale equivalent#808080

Inverted#538B88

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E7C77no red cones; affects about 1% of men; ΔE 23.2 from the original

Deuteranopia#8B8776no green cones; the most common form, about 1% of men; ΔE 24.2 from the original

Tritanopia#B76F75no blue cones; rare, and affects men and women equally; ΔE 7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.81:1WCAG large text: AA

Contrast with black, large text5.52:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 10.5 Gray · ΔE 23.7 Pale violetred · ΔE 24.8 Dim grey · ΔE 25.8 Dark salmon · ΔE 26 Light coral · ΔE 26.4

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 10.51, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#74ACA9

Analogous#AC7493, #AC8D74

Triadic#77AC74, #7477AC

Split complementary#74AC8D, #7493AC

Tetradic#93AC74, #74ACA9, #8D74AC

Tints, shades & saturation

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

Lighter +40%#F8F4F4

Lighter +30%#E5D4D5

Lighter +20%#D2B4B5

Lighter +10%#BF9496

Darker −10%#94595C

Darker −20%#744648

Darker −30%#553234

Darker −40%#351F21

More saturated +25%#C8585E

Less saturated −25%#909090

Channel breakdown

R172

G116

B119

Red172 (67.5%)

Green116 (45.5%)

Blue119 (46.7%)

Hue356.79°

Saturation (HSL)25.23%

Lightness56.47%

Dominant channelRed

Hex per channelR AC · G 74 · B 77

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac7477 (chemical formula)

Formula
1,697,279 g/mol
7477 atoms

Ac7477 has a molar mass of 1,697,279 g/mol, made up of 7477 atoms across 1 element: 7477 × Ac.

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Molar mass

Molar mass1,697,279 g/mol

Total atoms per molecule7477

Distinct elements1

Mass of one molecule2.8183981 × 10^-18 g

Molecules per gram3.5481148 × 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 × 7477)1,697,279 g/mol, 100%

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Elements in this formula

Actinium

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