Recognised as Colour

#FC850F

#FC850F
Orange
Dark
Nearest: Dark orange

#FC850F is a orange with RGB values 252, 133, 15 and HSL 30°, 98%, 52%. 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

#FC850F#FC850F

HEX#FC850F

RGBrgb(252, 133, 15)

RGB (0–1)0.9882, 0.5216, 0.0588

RGB percentages98.8%, 52.2%, 5.9%

HSLhsl(29.9, 97.5%, 52.4%)

HSV / HSBhsv(29.9, 94%, 98.8%)

CMYK0%, 47.2%, 94%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,549,135

CSS custom property--colour: #FC850F;

Brightness & contrast

Relative luminance0.37505WCAG 2.x, 0 is black and 1 is white

Perceived brightness171.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.5:1

Contrast with white2.47:1WCAG normal text: Fail

Contrast with black8.5:1WCAG normal text: AAA

Greyscale equivalent#969696

Inverted#037AF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89400no red cones; affects about 1% of men; ΔE 45.5 from the original

Deuteranopia#C5AF0Bno green cones; the most common form, about 1% of men; ΔE 45.8 from the original

Tritanopia#FF6A72no blue cones; rare, and affects men and women equally; ΔE 50.6 from the original

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

Contrast with white, large text2.47:1WCAG large text: Fail

Contrast with black, large text8.5:1WCAG large text: AAA

Named colours

Dark orange · ΔE 4.6 Orange · ΔE 18.4 Chocolate · ΔE 19.3 Coral · ΔE 25.2 Orange red · ΔE 30.4 Peru · ΔE 30.6

Nearest named CSS colourDark orange (#FF8C00)ΔE 4.65, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0F86FC

Analogous#FC0F10, #FCFC0F

Triadic#0FFC85, #850FFC

Split complementary#0FFCFC, #0F0FFC

Tetradic#0FFC0F, #0F86FC, #FB0FFC

Tints, shades & saturation

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

Lighter +40%#FFEBD8

Lighter +30%#FED2A6

Lighter +20%#FDB874

Lighter +10%#FD9F41

Darker −10%#D56C03

Darker −20%#A35202

Darker −30%#713901

Darker −40%#3E1F01

More saturated +25%#FF850C

Less saturated −25%#DE852D

Channel breakdown

R252

G133

B15

Red252 (98.8%)

Green133 (52.2%)

Blue15 (5.9%)

Hue29.87°

Saturation (HSL)97.53%

Lightness52.35%

Dominant channelRed

Hex per channelR FC · G 85 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC850F (chemical formula)

Formula
10,247.346 g/mol
852 atoms

FC850F has a molar mass of 10,247.346 g/mol, made up of 852 atoms across 2 elements: 2 × F, 850 × C.

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Molar mass

Molar mass10,247.346 g/mol

Total atoms per molecule852

Distinct elements2

Mass of one molecule1.7016118 × 10^-20 g

Molecules per gram5.8767809 × 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, 0.371%

Carbon (C × 850)10,209.35 g/mol, 99.629%

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Elements in this formula

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