Recognised as Colour

#AC4505

#AC4505
Orange
Dark
Nearest: Chocolate

#AC4505 is a orange with RGB values 172, 69, 5 and HSL 23°, 94%, 35%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#AC4505#AC4505

HEX#AC4505

RGBrgb(172, 69, 5)

RGB (0–1)0.6745, 0.2706, 0.0196

RGB percentages67.5%, 27.1%, 2%

HSLhsl(23, 94.4%, 34.7%)

HSV / HSBhsv(23, 97.1%, 67.5%)

CMYK0%, 59.9%, 97.1%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,289,861

CSS custom property--colour: #AC4505;

Brightness & contrast

Relative luminance0.13038WCAG 2.x, 0 is black and 1 is white

Perceived brightness107.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.82:1

Contrast with white5.82:1WCAG normal text: AA

Contrast with black3.61:1WCAG normal text: Fail

Greyscale equivalent#565656

Inverted#53BAFA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#635700no red cones; affects about 1% of men; ΔE 44.5 from the original

Deuteranopia#7C6E00no green cones; the most common form, about 1% of men; ΔE 44.7 from the original

Tritanopia#BE2A3Bno blue cones; rare, and affects men and women equally; ΔE 30.6 from the original

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

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

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

Named colours

Chocolate · ΔE 14.3 Saddle brown · ΔE 18 Sienna · ΔE 19.3 Dark red · ΔE 21.4 Firebrick · ΔE 21.9 Maroon · ΔE 23.7

Nearest named CSS colourChocolate (#D2691E)ΔE 14.26, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#056CAC

Analogous#AC0519, #AC9805

Triadic#05AC45, #4505AC

Split complementary#05AC99, #0519AC

Tetradic#19AC05, #056CAC, #9805AC

Tints, shades & saturation

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

Lighter +40%#FBB082

Lighter +30%#FA9150

Lighter +20%#F8721F

Lighter +10%#DE5906

Darker −10%#7A3104

Darker −20%#491D02

Darker −30%#170901

Darker −40%#000000

More saturated +25%#B14400

Less saturated −25%#964A1B

Channel breakdown

R172

G69

Red172 (67.5%)

Green69 (27.1%)

Blue5 (2%)

Hue22.99°

Saturation (HSL)94.35%

Lightness34.71%

Dominant channelRed

Hex per channelR AC · G 45 · B 05

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

Ac4505 (chemical formula)

Formula
1,022,635 g/mol
4505 atoms

Ac4505 has a molar mass of 1,022,635 g/mol, made up of 4505 atoms across 1 element: 4505 × Ac.

Open this reading on its own page →

Molar mass

Molar mass1,022,635 g/mol

Total atoms per molecule4505

Distinct elements1

Mass of one molecule1.6981254 × 10^-18 g

Molecules per gram5.8888467 × 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 × 4505)1,022,635 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