Recognised as Colour

#FC8818

#FC8818
Orange
Dark
Nearest: Dark orange

#FC8818 is a orange with RGB values 252, 136, 24 and HSL 29°, 97%, 54%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FC8818#FC8818

HEX#FC8818

RGBrgb(252, 136, 24)

RGB (0–1)0.9882, 0.5333, 0.0941

RGB percentages98.8%, 53.3%, 9.4%

HSLhsl(29.5, 97.4%, 54.1%)

HSV / HSBhsv(29.5, 90.5%, 98.8%)

CMYK0%, 46%, 90.5%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,549,912

CSS custom property--colour: #FC8818;

Brightness & contrast

Relative luminance0.3837WCAG 2.x, 0 is black and 1 is white

Perceived brightness172.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.67:1

Contrast with white2.42:1WCAG normal text: Fail

Contrast with black8.67:1WCAG normal text: AAA

Greyscale equivalent#999999

Inverted#0377E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#AB9600no red cones; affects about 1% of men; ΔE 43.6 from the original

Deuteranopia#C6B116no green cones; the most common form, about 1% of men; ΔE 44.9 from the original

Tritanopia#FF6D75no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original

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

Contrast with white, large text2.42:1WCAG large text: Fail

Contrast with black, large text8.67:1WCAG large text: AAA

Named colours

Dark orange · ΔE 5.2 Orange · ΔE 17.6 Chocolate · ΔE 18.5 Coral · ΔE 24.3 Sandy brown · ΔE 28.6 Peru · ΔE 28.8

Nearest named CSS colourDark orange (#FF8C00)ΔE 5.15, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#188CFC

Analogous#FC181A, #FCFA18

Triadic#18FC88, #8818FC

Split complementary#18FCFA, #181AFC

Tetradic#1AFC18, #188CFC, #FA18FC

Tints, shades & saturation

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

Lighter +40%#FFF0E1

Lighter +30%#FED6AF

Lighter +20%#FDBC7D

Lighter +10%#FDA24A

Darker −10%#DE6F03

Darker −20%#AC5602

Darker −30%#793C02

Darker −40%#472301

More saturated +25%#FF8815

Less saturated −25%#DF8935

Channel breakdown

R252

G136

B24

Red252 (98.8%)

Green136 (53.3%)

Blue24 (9.4%)

Hue29.47°

Saturation (HSL)97.44%

Lightness54.12%

Dominant channelRed

Hex per channelR FC · G 88 · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC8818 (chemical formula)

Formula
105,931.996 g/mol
8819 atoms

FC8818 has a molar mass of 105,931.996 g/mol, made up of 8819 atoms across 2 elements: 1 × F, 8818 × C.

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Molar mass

Molar mass105,931.996 g/mol

Total atoms per molecule8819

Distinct elements2

Mass of one molecule1.7590422 × 10^-19 g

Molecules per gram5.684912 × 10^18

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%

C100%

Fluorine (F)18.998 g/mol, 0.018%

Carbon (C × 8818)105,912.998 g/mol, 99.982%

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