Colour

#FFAC47

#FFAC47
Orange
Light
Nearest: Sandy brown

#FFAC47 is a orange with RGB values 255, 172, 71 and HSL 33°, 100%, 64%. It is a light colour, so black text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FFAC47#FFAC47

HEX#FFAC47

RGBrgb(255, 172, 71)

RGB (0–1)1, 0.6745, 0.2784

RGB percentages100%, 67.5%, 27.8%

HSLhsl(32.9, 100%, 63.9%)

HSV / HSBhsv(32.9, 72.2%, 100%)

CMYK0%, 32.5%, 72.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,755,783

CSS custom property--colour: #FFAC47;

Brightness & contrast

Relative luminance0.5122WCAG 2.x, 0 is black and 1 is white

Perceived brightness193.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.24:1

Contrast with white1.87:1WCAG normal text: Fail

Contrast with black11.24:1WCAG normal text: AAA

Greyscale equivalent#B6B6B6

Inverted#0053B8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C7B23Ano red cones; affects about 1% of men; ΔE 28 from the original

Deuteranopia#DBC549no green cones; the most common form, about 1% of men; ΔE 28.2 from the original

Tritanopia#FF9897no blue cones; rare, and affects men and women equally; ΔE 47.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.87:1WCAG large text: Fail

Contrast with black, large text11.24:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 15.5 Goldenrod · ΔE 16.2 Orange · ΔE 17.2 Peru · ΔE 20.6 Dark goldenrod · ΔE 21.3 Dark orange · ΔE 21.4

Nearest named CSS colourSandy brown (#F4A460)ΔE 15.47, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#479AFF

Analogous#FF5047, #F6FF47

Triadic#47FFAC, #AC47FF

Split complementary#47F6FF, #5047FF

Tetradic#47FF50, #479AFF, #FF47F6

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFF1E0

Lighter +20%#FFDAAD

Lighter +10%#FFC37A

Darker −10%#FF9514

Darker −20%#E07B00

Darker −30%#AD5F00

Darker −40%#7A4300

More saturated +25%#FFAC47

Less saturated −25%#E8AA5E

Channel breakdown

R255

G172

B71

Red255 (100%)

Green172 (67.5%)

Blue71 (27.8%)

Hue32.93°

Saturation (HSL)100%

Lightness63.92%

Dominant channelRed

Hex per channelR FF · G AC · B 47

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

FFAc47 (chemical formula)

Formula
10,706.996 g/mol
49 atoms

FFAc47 has a molar mass of 10,706.996 g/mol, made up of 49 atoms across 2 elements: 2 × F, 47 × Ac.

Open this reading on its own page →

Molar mass

Molar mass10,706.996 g/mol

Total atoms per molecule49

Distinct elements2

Mass of one molecule1.7779385 × 10^-20 g

Molecules per gram5.6244915 × 10^19

Composition by mass

F0.4%

Ac99.6%

Fluorine (F × 2)37.996 g/mol, 0.355%

Actinium (Ac × 47)10,669 g/mol, 99.645%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page