Colour

#AC7983

#AC7983
Red
Dark
Nearest: Rosy brown

#AC7983 is a red with RGB values 172, 121, 131 and HSL 348°, 24%, 57%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#AC7983#AC7983

HEX#AC7983

RGBrgb(172, 121, 131)

RGB (0–1)0.6745, 0.4745, 0.5137

RGB percentages67.5%, 47.5%, 51.4%

HSLhsl(348.2, 23.5%, 57.5%)

HSV / HSBhsv(348.2, 29.7%, 67.5%)

CMYK0%, 29.7%, 23.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,303,299

CSS custom property--colour: #AC7983;

Brightness & contrast

Relative luminance0.24084WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.82:1

Contrast with white3.61:1WCAG normal text: Fail

Contrast with black5.82:1WCAG normal text: AA

Greyscale equivalent#858585

Inverted#53867C

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#808183no red cones; affects about 1% of men; ΔE 21.8 from the original

Deuteranopia#8D8A82no green cones; the most common form, about 1% of men; ΔE 21.9 from the original

Tritanopia#B5757Cno blue cones; rare, and affects men and women equally; ΔE 6.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.61:1WCAG large text: AA

Contrast with black, large text5.82:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 9.5 Gray · ΔE 21.7 Dim grey · ΔE 24.5 Pale violetred · ΔE 24.6 Dark grey · ΔE 25.2 Light pink · ΔE 25.9

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 9.54, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#79ACA2

Analogous#AC799D, #AC8979

Triadic#83AC79, #7983AC

Split complementary#79AC89, #799CAC

Tetradic#9CAC79, #79ACA2, #8879AC

Tints, shades & saturation

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

Lighter +40%#FAF7F8

Lighter +30%#E7D7DA

Lighter +20%#D3B8BD

Lighter +10%#C098A0

Darker −10%#955D68

Darker −20%#764952

Darker −30%#56363C

Darker −40%#372226

More saturated +25%#C75E73

Less saturated −25%#939393

Channel breakdown

R172

G121

B131

Red172 (67.5%)

Green121 (47.5%)

Blue131 (51.4%)

Hue348.24°

Saturation (HSL)23.5%

Lightness57.45%

Dominant channelRed

Hex per channelR AC · G 79 · B 83

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac7983 (chemical formula)

Formula
1,812,141 g/mol
7983 atoms

Ac7983 has a molar mass of 1,812,141 g/mol, made up of 7983 atoms across 1 element: 7983 × Ac.

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Molar mass

Molar mass1,812,141 g/mol

Total atoms per molecule7983

Distinct elements1

Mass of one molecule3.0091309 × 10^-18 g

Molecules per gram3.3232186 × 10^17

Composition by mass

Ac100%

Actinium (Ac × 7983)1,812,141 g/mol, 100%

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Elements in this formula

Actinium

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