Recognised as Colour

#C5AC61

#C5AC61
Yellow
Dark
Nearest: Dark khaki

#C5AC61 is a yellow with RGB values 197, 172, 97 and HSL 45°, 46%, 58%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.

Colour values

#C5AC61#C5AC61

HEX#C5AC61

RGBrgb(197, 172, 97)

RGB (0–1)0.7725, 0.6745, 0.3804

RGB percentages77.3%, 67.5%, 38%

HSLhsl(45, 46.3%, 57.6%)

HSV / HSBhsv(45, 50.8%, 77.3%)

CMYK0%, 12.7%, 50.8%, 22.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,954,721

CSS custom property--colour: #C5AC61;

Brightness & contrast

Relative luminance0.42238WCAG 2.x, 0 is black and 1 is white

Perceived brightness173.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.45:1

Contrast with white2.22:1WCAG normal text: Fail

Contrast with black9.45:1WCAG normal text: AAA

Greyscale equivalent#ACACAC

Inverted#3A539E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#BBAA5Bno red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#C1B164no green cones; the most common form, about 1% of men; ΔE 4.2 from the original

Tritanopia#D3A19Ano blue cones; rare, and affects men and women equally; ΔE 35.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.22:1WCAG large text: Fail

Contrast with black, large text9.45:1WCAG large text: AAA

Named colours

Dark khaki · ΔE 8.8 Burlywood · ΔE 15.2 Tan · ΔE 18.5 Khaki · ΔE 21.3 Pale goldenrod · ΔE 23.7 Navajo white · ΔE 23.8

Nearest named CSS colourDark khaki (#BDB76B)ΔE 8.78, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#617AC5

Analogous#C57A61, #ACC561

Triadic#61C5AC, #AC61C5

Split complementary#61ACC5, #7A61C5

Tetradic#61C57A, #617AC5, #C561AC

Tints, shades & saturation

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

Lighter +40%#FCFAF6

Lighter +30%#EEE7D1

Lighter +20%#E0D3AC

Lighter +10%#D3C086

Darker −10%#B29641

Darker −20%#8C7634

Darker −30%#675726

Darker −40%#423718

More saturated +25%#E0BA46

Less saturated −25%#AA9F7C

Channel breakdown

R197

G172

B97

Red197 (77.3%)

Green172 (67.5%)

Blue97 (38%)

Hue45°

Saturation (HSL)46.3%

Lightness57.65%

Dominant channelRed

Hex per channelR C5 · G AC · B 61

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C5Ac61 (chemical formula)

Formula
13,907.055 g/mol
66 atoms

C5Ac61 has a molar mass of 13,907.055 g/mol, made up of 66 atoms across 2 elements: 5 × C, 61 × Ac.

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Molar mass

Molar mass13,907.055 g/mol

Total atoms per molecule66

Distinct elements2

Mass of one molecule2.3093208 × 10^-20 g

Molecules per gram4.3302775 × 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

C0.4%

Ac99.6%

Carbon (C × 5)60.055 g/mol, 0.432%

Actinium (Ac × 61)13,847 g/mol, 99.568%

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Elements in this formula

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