Recognised as Colour

#AC124C

#AC124C
Red
Dark
Nearest: Brown

#AC124C is a red with RGB values 172, 18, 76 and HSL 337°, 81%, 37%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#AC124C#AC124C

HEX#AC124C

RGBrgb(172, 18, 76)

RGB (0–1)0.6745, 0.0706, 0.298

RGB percentages67.5%, 7.1%, 29.8%

HSLhsl(337.4, 81.1%, 37.3%)

HSV / HSBhsv(337.4, 89.5%, 67.5%)

CMYK0%, 89.5%, 55.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,276,876

CSS custom property--colour: #AC124C;

Brightness & contrast

Relative luminance0.09725WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.13:1

Contrast with white7.13:1WCAG normal text: AAA

Contrast with black2.95:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#53EDB3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#42454Dno red cones; affects about 1% of men; ΔE 61.6 from the original

Deuteranopia#696248no green cones; the most common form, about 1% of men; ΔE 62.2 from the original

Tritanopia#BC002Fno blue cones; rare, and affects men and women equally; ΔE 22.4 from the original

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

Contrast with white, large text7.13:1WCAG large text: AAA

Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Brown · ΔE 23.8 Indian red · ΔE 25.6 Medium violet red · ΔE 27.7 Crimson · ΔE 28.5 Pale violetred · ΔE 28.7 Firebrick · ΔE 28.9

Nearest named CSS colourBrown (#A52A2A)ΔE 23.76, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12AC72

Analogous#AC1299, #AC2512

Triadic#4CAC12, #124CAC

Split complementary#12AC25, #1299AC

Tetradic#99AC12, #12AC72, #2512AC

Tints, shades & saturation

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

Lighter +40%#F496B9

Lighter +30%#EF689B

Lighter +20%#EA3A7C

Lighter +10%#DA1760

Darker −10%#7E0D38

Darker −20%#500823

Darker −30%#21040F

Darker −40%#000000

More saturated +25%#BE0048

Less saturated −25%#942A52

Channel breakdown

R172

G18

B76

Red172 (67.5%)

Green18 (7.1%)

Blue76 (29.8%)

Hue337.4°

Saturation (HSL)81.05%

Lightness37.25%

Dominant channelRed

Hex per channelR AC · G 12 · B 4C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac124C (chemical formula)

Formula
28,160.011 g/mol
125 atoms

Ac124C has a molar mass of 28,160.011 g/mol, made up of 125 atoms across 2 elements: 124 × Ac, 1 × C.

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Molar mass

Molar mass28,160.011 g/mol

Total atoms per molecule125

Distinct elements2

Mass of one molecule4.6760798 × 10^-20 g

Molecules per gram2.1385435 × 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

Ac100%

C0%

Actinium (Ac × 124)28,148 g/mol, 99.957%

Carbon (C)12.011 g/mol, 0.043%

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