Recognised as Colour

#AC9805

#AC9805
Yellow
Dark
Nearest: Olive

#AC9805 is a yellow with RGB values 172, 152, 5 and HSL 53°, 94%, 35%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Olive.

Colour values

#AC9805#AC9805

HEX#AC9805

RGBrgb(172, 152, 5)

RGB (0–1)0.6745, 0.5961, 0.0196

RGB percentages67.5%, 59.6%, 2%

HSLhsl(52.8, 94.4%, 34.7%)

HSV / HSBhsv(52.8, 97.1%, 67.5%)

CMYK0%, 11.6%, 97.1%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,311,109

CSS custom property--colour: #AC9805;

Brightness & contrast

Relative luminance0.31238WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.25:1

Contrast with white2.9:1WCAG normal text: Fail

Contrast with black7.25:1WCAG normal text: AAA

Greyscale equivalent#929292

Inverted#5367FA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89400no red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#AE9B1Ano green cones; the most common form, about 1% of men; ΔE 3.1 from the original

Tritanopia#BA8B81no blue cones; rare, and affects men and women equally; ΔE 57.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.9:1WCAG large text: Fail

Contrast with black, large text7.25:1WCAG large text: AAA

Named colours

Olive · ΔE 15.9 Dark goldenrod · ΔE 16 Goldenrod · ΔE 16.5 Dark khaki · ΔE 28.6 Olivedrab · ΔE 28.9 Peru · ΔE 32.2

Nearest named CSS colourOlive (#808000)ΔE 15.9, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0519AC

Analogous#AC4505, #6CAC05

Triadic#05AC98, #9805AC

Split complementary#056CAC, #4505AC

Tetradic#05AC45, #0519AC, #AC056C

Tints, shades & saturation

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

Lighter +40%#FBED82

Lighter +30%#FAE650

Lighter +20%#F8DE1F

Lighter +10%#DEC406

Darker −10%#7A6C04

Darker −20%#494002

Darker −30%#171501

Darker −40%#000000

More saturated +25%#B19C00

Less saturated −25%#96871B

Channel breakdown

R172

G152

Red172 (67.5%)

Green152 (59.6%)

Blue5 (2%)

Hue52.81°

Saturation (HSL)94.35%

Lightness34.71%

Dominant channelRed

Hex per channelR AC · G 98 · 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

Ac9805 (chemical formula)

Formula
2,225,735 g/mol
9805 atoms

Ac9805 has a molar mass of 2,225,735 g/mol, made up of 9805 atoms across 1 element: 9805 × Ac.

Open this reading on its own page →

Molar mass

Molar mass2,225,735 g/mol

Total atoms per molecule9805

Distinct elements1

Mass of one molecule3.6959199 × 10^-18 g

Molecules per gram2.7056863 × 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 × 9805)2,225,735 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