Recognised as Colour

#AC9404

#AC9404
Yellow
Dark
Nearest: Dark goldenrod

#AC9404 is a yellow with RGB values 172, 148, 4 and HSL 51°, 95%, 35%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#AC9404#AC9404

HEX#AC9404

RGBrgb(172, 148, 4)

RGB (0–1)0.6745, 0.5804, 0.0157

RGB percentages67.5%, 58%, 1.6%

HSLhsl(51.4, 95.5%, 34.5%)

HSV / HSBhsv(51.4, 97.7%, 67.5%)

CMYK0%, 14%, 97.7%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,310,084

CSS custom property--colour: #AC9404;

Brightness & contrast

Relative luminance0.29959WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.99:1

Contrast with white3:1WCAG normal text: Fail

Contrast with black6.99:1WCAG normal text: AA

Greyscale equivalent#8F8F8F

Inverted#536BFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A59000no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#AB9818no green cones; the most common form, about 1% of men; ΔE 3.8 from the original

Tritanopia#BB877Eno blue cones; rare, and affects men and women equally; ΔE 56.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

Contrast with black, large text6.99:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 13.6 Goldenrod · ΔE 15.5 Olive · ΔE 16 Dark khaki · ΔE 28.8 Olivedrab · ΔE 30 Peru · ΔE 30.1

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 13.63, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#041CAC

Analogous#AC4004, #70AC04

Triadic#04AC94, #9404AC

Split complementary#0470AC, #4004AC

Tetradic#04AC40, #041CAC, #AC0470

Tints, shades & saturation

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

Lighter +40%#FCEA80

Lighter +30%#FBE24E

Lighter +20%#FADA1C

Lighter +10%#DEBF05

Darker −10%#7A6903

Darker −20%#483E02

Darker −30%#161301

Darker −40%#000000

More saturated +25%#B09700

Less saturated −25%#96841A

Channel breakdown

R172

G148

Red172 (67.5%)

Green148 (58%)

Blue4 (1.6%)

Hue51.43°

Saturation (HSL)95.45%

Lightness34.51%

Dominant channelRed

Hex per channelR AC · G 94 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac9404 (chemical formula)

Formula
2,134,708 g/mol
9404 atoms

Ac9404 has a molar mass of 2,134,708 g/mol, made up of 9404 atoms across 1 element: 9404 × Ac.

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Molar mass

Molar mass2,134,708 g/mol

Total atoms per molecule9404

Distinct elements1

Mass of one molecule3.544766 × 10^-18 g

Molecules per gram2.8210607 × 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 × 9404)2,134,708 g/mol, 100%

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Elements in this formula

Actinium

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