Recognised as Colour

#FC8417

#FC8417
Orange
Dark
Nearest: Dark orange

#FC8417 is a orange with RGB values 252, 132, 23 and HSL 29°, 97%, 54%. 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

#FC8417#FC8417

HEX#FC8417

RGBrgb(252, 132, 23)

RGB (0–1)0.9882, 0.5176, 0.0902

RGB percentages98.8%, 51.8%, 9%

HSLhsl(28.6, 97.4%, 53.9%)

HSV / HSBhsv(28.6, 90.9%, 98.8%)

CMYK0%, 47.6%, 90.9%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,548,887

CSS custom property--colour: #FC8417;

Brightness & contrast

Relative luminance0.3726WCAG 2.x, 0 is black and 1 is white

Perceived brightness171.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.45:1

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

Contrast with black8.45:1WCAG normal text: AAA

Greyscale equivalent#969696

Inverted#037BE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89300no red cones; affects about 1% of men; ΔE 45.4 from the original

Deuteranopia#C4AF13no green cones; the most common form, about 1% of men; ΔE 46.8 from the original

Tritanopia#FF6872no blue cones; rare, and affects men and women equally; ΔE 49.4 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 text8.45:1WCAG large text: AAA

Named colours

Dark orange · ΔE 6.4 Chocolate · ΔE 17.9 Orange · ΔE 19.7 Coral · ΔE 23.4 Peru · ΔE 29.5 Sandy brown · ΔE 29.6

Nearest named CSS colourDark orange (#FF8C00)ΔE 6.41, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#178FFC

Analogous#FC171D, #FCF617

Triadic#17FC84, #8417FC

Split complementary#17FCF6, #171DFC

Tetradic#1DFC17, #178FFC, #F617FC

Tints, shades & saturation

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

Lighter +40%#FFEFE0

Lighter +30%#FED4AE

Lighter +20%#FDB97C

Lighter +10%#FD9F49

Darker −10%#DD6B03

Darker −20%#AB5202

Darker −30%#783A02

Darker −40%#462201

More saturated +25%#FF8414

Less saturated −25%#DF8534

Channel breakdown

R252

G132

B23

Red252 (98.8%)

Green132 (51.8%)

Blue23 (9%)

Hue28.56°

Saturation (HSL)97.45%

Lightness53.92%

Dominant channelRed

Hex per channelR FC · G 84 · B 17

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FC8417 (chemical formula)

Formula
101,115.585 g/mol
8418 atoms

FC8417 has a molar mass of 101,115.585 g/mol, made up of 8418 atoms across 2 elements: 1 × F, 8417 × C.

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Molar mass

Molar mass101,115.585 g/mol

Total atoms per molecule8418

Distinct elements2

Mass of one molecule1.6790638 × 10^-19 g

Molecules per gram5.9556999 × 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, 0.019%

Carbon (C × 8417)101,096.587 g/mol, 99.981%

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