Recognised as Colour

#FF8427

#FF8427
Orange
Dark
Nearest: Dark orange

#FF8427 is a orange with RGB values 255, 132, 39 and HSL 26°, 100%, 58%. It is a dark colour, so black text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF8427#FF8427

HEX#FF8427

RGBrgb(255, 132, 39)

RGB (0–1)1, 0.5176, 0.1529

RGB percentages100%, 51.8%, 15.3%

HSLhsl(25.8, 100%, 57.6%)

HSV / HSBhsv(25.8, 84.7%, 100%)

CMYK0%, 48.2%, 84.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,745,511

CSS custom property--colour: #FF8427;

Brightness & contrast

Relative luminance0.37909WCAG 2.x, 0 is black and 1 is white

Perceived brightness172.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.58:1

Contrast with white2.45:1WCAG normal text: Fail

Contrast with black8.58:1WCAG normal text: AAA

Greyscale equivalent#979797

Inverted#007BD8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89413no red cones; affects about 1% of men; ΔE 47 from the original

Deuteranopia#C5B024no green cones; the most common form, about 1% of men; ΔE 47.9 from the original

Tritanopia#FF6873no blue cones; rare, and affects men and women equally; ΔE 45.7 from the original

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

Contrast with white, large text2.45:1WCAG large text: Fail

Contrast with black, large text8.58:1WCAG large text: AAA

Named colours

Dark orange · ΔE 10.5 Chocolate · ΔE 15.8 Coral · ΔE 19.1 Orange · ΔE 22.7 Tomato · ΔE 26.3 Sandy brown · ΔE 27.3

Nearest named CSS colourDark orange (#FF8C00)ΔE 10.5, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#27A2FF

Analogous#FF2736, #FFF027

Triadic#27FF84, #8427FF

Split complementary#27FFF0, #2736FF

Tetradic#36FF27, #27A2FF, #F027FF

Tints, shades & saturation

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

Lighter +40%#FFF8F3

Lighter +30%#FFDBC0

Lighter +20%#FFBE8D

Lighter +10%#FFA15A

Darker −10%#F36900

Darker −20%#C05300

Darker −30%#8D3D00

Darker −40%#5A2700

More saturated +25%#FF8427

Less saturated −25%#E48842

Channel breakdown

R255

G132

B39

Red255 (100%)

Green132 (51.8%)

Blue39 (15.3%)

Hue25.83°

Saturation (HSL)100%

Lightness57.65%

Dominant channelRed

Hex per channelR FF · G 84 · B 27

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF8427 (chemical formula)

Formula
160,115.144 g/mol
8428 atoms

FF8427 has a molar mass of 160,115.144 g/mol, made up of 8428 atoms across 1 element: 8428 × F.

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Molar mass

Molar mass160,115.144 g/mol

Total atoms per molecule8428

Distinct elements1

Mass of one molecule2.6587745 × 10^-19 g

Molecules per gram3.7611313 × 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

F100%

Fluorine (F × 8428)160,115.144 g/mol, 100%

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Elements in this formula

Fluorine

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