Recognised as Colour

#AC8378

#AC8378
Red
Dark
Nearest: Rosy brown

#AC8378 is a red with RGB values 172, 131, 120 and HSL 13°, 24%, 57%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Rosy brown.

Colour values

#AC8378#AC8378

HEX#AC8378

RGBrgb(172, 131, 120)

RGB (0–1)0.6745, 0.5137, 0.4706

RGB percentages67.5%, 51.4%, 47.1%

HSLhsl(12.7, 23.9%, 57.3%)

HSV / HSBhsv(12.7, 30.2%, 67.5%)

CMYK0%, 23.8%, 30.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,305,848

CSS custom property--colour: #AC8378;

Brightness & contrast

Relative luminance0.26359WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.27:1

Contrast with white3.35:1WCAG normal text: Fail

Contrast with black6.27:1WCAG normal text: AA

Greyscale equivalent#8B8B8B

Inverted#537C87

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8C8877no red cones; affects about 1% of men; ΔE 16 from the original

Deuteranopia#969078no green cones; the most common form, about 1% of men; ΔE 16.2 from the original

Tritanopia#B67D80no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.35:1WCAG large text: AA

Contrast with black, large text6.27:1WCAG large text: AAA

Named colours

Rosy brown · ΔE 8.1 Gray · ΔE 19.2 Dark grey · ΔE 21.5 Tan · ΔE 22.6 Dim grey · ΔE 23.2 Dark salmon · ΔE 24

Nearest named CSS colourRosy brown (#BC8F8F)ΔE 8.07, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#78A1AC

Analogous#AC7887, #AC9D78

Triadic#78AC83, #8378AC

Split complementary#78AC9D, #7887AC

Tetradic#87AC78, #78A1AC, #9D78AC

Tints, shades & saturation

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

Lighter +40%#FAF7F6

Lighter +30%#E6DAD7

Lighter +20%#D3BDB7

Lighter +10%#BFA098

Darker −10%#95685C

Darker −20%#765248

Darker −30%#563C35

Darker −40%#362622

More saturated +25%#C7735D

Less saturated −25%#929292

Channel breakdown

R172

G131

B120

Red172 (67.5%)

Green131 (51.4%)

Blue120 (47.1%)

Hue12.69°

Saturation (HSL)23.85%

Lightness57.25%

Dominant channelRed

Hex per channelR AC · G 83 · B 78

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac8378 (chemical formula)

Formula
1,901,806 g/mol
8378 atoms

Ac8378 has a molar mass of 1,901,806 g/mol, made up of 8378 atoms across 1 element: 8378 × Ac.

Open this reading on its own page →

Molar mass

Molar mass1,901,806 g/mol

Total atoms per molecule8378

Distinct elements1

Mass of one molecule3.1580232 × 10^-18 g

Molecules per gram3.1665379 × 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 × 8378)1,901,806 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Actinium

Nerdulate something else

Nothing in mind? Surprise me · today’s page