Recognised as Colour

#FC841F

#FC841F
Orange
Dark
Nearest: Dark orange

#FC841F is a orange with RGB values 252, 132, 31 and HSL 27°, 97%, 55%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FC841F#FC841F

HEX#FC841F

RGBrgb(252, 132, 31)

RGB (0–1)0.9882, 0.5176, 0.1216

RGB percentages98.8%, 51.8%, 12.2%

HSLhsl(27.4, 97.4%, 55.5%)

HSV / HSBhsv(27.4, 87.7%, 98.8%)

CMYK0%, 47.6%, 87.7%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,548,895

CSS custom property--colour: #FC841F;

Brightness & contrast

Relative luminance0.37297WCAG 2.x, 0 is black and 1 is white

Perceived brightness171.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.46:1

Contrast with white2.48:1WCAG normal text: Fail

Contrast with black8.46:1WCAG normal text: AAA

Greyscale equivalent#969696

Inverted#037BE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A79400no red cones; affects about 1% of men; ΔE 46.3 from the original

Deuteranopia#C4AF1Cno green cones; the most common form, about 1% of men; ΔE 46.7 from the original

Tritanopia#FF6972no blue cones; rare, and affects men and women equally; ΔE 47.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.48:1WCAG large text: Fail

Contrast with black, large text8.46:1WCAG large text: AAA

Named colours

Dark orange · ΔE 8.3 Chocolate · ΔE 16.5 Orange · ΔE 20.8 Coral · ΔE 21.3 Sandy brown · ΔE 28 Peru · ΔE 28.1

Nearest named CSS colourDark orange (#FF8C00)ΔE 8.25, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F97FC

Analogous#FC1F28, #FCF31F

Triadic#1FFC84, #841FFC

Split complementary#1FFCF3, #1F28FC

Tetradic#29FC1F, #1F97FC, #F31FFC

Tints, shades & saturation

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

Lighter +40%#FFF3E8

Lighter +30%#FED7B6

Lighter +20%#FDBB84

Lighter +10%#FDA051

Darker −10%#E56A03

Darker −20%#B35302

Darker −30%#803C02

Darker −40%#4E2401

More saturated +25%#FF841C

Less saturated −25%#E0863B

Channel breakdown

R252

G132

B31

Red252 (98.8%)

Green132 (51.8%)

Blue31 (12.2%)

Hue27.42°

Saturation (HSL)97.36%

Lightness55.49%

Dominant channelRed

Hex per channelR FC · G 84 · B 1F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC841F (chemical formula)

Formula
10,139.247 g/mol
843 atoms

FC841F has a molar mass of 10,139.247 g/mol, made up of 843 atoms across 2 elements: 2 × F, 841 × C.

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Molar mass

Molar mass10,139.247 g/mol

Total atoms per molecule843

Distinct elements2

Mass of one molecule1.6836616 × 10^-20 g

Molecules per gram5.9394359 × 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

F0.4%

C99.6%

Fluorine (F × 2)37.996 g/mol, 0.375%

Carbon (C × 841)10,101.251 g/mol, 99.625%

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Elements in this formula

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