Colour

#AC8640

#AC8640
Orange
Dark
Nearest: Peru

#AC8640 is a orange with RGB values 172, 134, 64 and HSL 39°, 46%, 46%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#AC8640#AC8640

HEX#AC8640

RGBrgb(172, 134, 64)

RGB (0–1)0.6745, 0.5255, 0.251

RGB percentages67.5%, 52.5%, 25.1%

HSLhsl(38.9, 45.8%, 46.3%)

HSV / HSBhsv(38.9, 62.8%, 67.5%)

CMYK0%, 22.1%, 62.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,306,560

CSS custom property--colour: #AC8640;

Brightness & contrast

Relative luminance0.26191WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.24:1

Contrast with white3.37:1WCAG normal text: Fail

Contrast with black6.24:1WCAG normal text: AA

Greyscale equivalent#898989

Inverted#5379BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#968639no red cones; affects about 1% of men; ΔE 10.6 from the original

Deuteranopia#9F9042no green cones; the most common form, about 1% of men; ΔE 11.2 from the original

Tritanopia#BA7B76no blue cones; rare, and affects men and women equally; ΔE 34.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.37:1WCAG large text: AA

Contrast with black, large text6.24:1WCAG large text: AAA

Named colours

Peru · ΔE 16.2 Dark goldenrod · ΔE 20.6 Dark khaki · ΔE 21.8 Burlywood · ΔE 22.5 Sandy brown · ΔE 23.2 Tan · ΔE 24.7

Nearest named CSS colourPeru (#CD853F)ΔE 16.18, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4066AC

Analogous#AC5040, #9CAC40

Triadic#40AC86, #8640AC

Split complementary#409CAC, #5040AC

Tetradic#40AC50, #4066AC, #AC409C

Tints, shades & saturation

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

Lighter +40%#ECE1CC

Lighter +30%#DECBA7

Lighter +20%#D0B582

Lighter +10%#C39F5C

Darker −10%#876932

Darker −20%#624C24

Darker −30%#3C2F17

Darker −40%#171209

More saturated +25%#CA8F22

Less saturated −25%#8F7D5E

Channel breakdown

R172

G134

B64

Red172 (67.5%)

Green134 (52.5%)

Blue64 (25.1%)

Hue38.89°

Saturation (HSL)45.76%

Lightness46.27%

Dominant channelRed

Hex per channelR AC · G 86 · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac8640 (chemical formula)

Formula
1,961,280 g/mol
8640 atoms

Ac8640 has a molar mass of 1,961,280 g/mol, made up of 8640 atoms across 1 element: 8640 × Ac.

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Molar mass

Molar mass1,961,280 g/mol

Total atoms per molecule8640

Distinct elements1

Mass of one molecule3.2567821 × 10^-18 g

Molecules per gram3.0705156 × 10^17

Composition by mass

Ac100%

Actinium (Ac × 8640)1,961,280 g/mol, 100%

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Elements in this formula

Actinium

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