Recognised as Colour

#FF8116

#FF8116
Orange
Dark
Nearest: Dark orange

#FF8116 is a orange with RGB values 255, 129, 22 and HSL 28°, 100%, 54%. It is a dark colour, so black text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF8116#FF8116

HEX#FF8116

RGBrgb(255, 129, 22)

RGB (0–1)1, 0.5059, 0.0863

RGB percentages100%, 50.6%, 8.6%

HSLhsl(27.6, 100%, 54.3%)

HSV / HSBhsv(27.6, 91.4%, 100%)

CMYK0%, 49.4%, 91.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,744,726

CSS custom property--colour: #FF8116;

Brightness & contrast

Relative luminance0.37018WCAG 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 8.4:1

Contrast with white2.5:1WCAG normal text: Fail

Contrast with black8.4:1WCAG normal text: AAA

Greyscale equivalent#949494

Inverted#007EE9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A69200no red cones; affects about 1% of men; ΔE 48.5 from the original

Deuteranopia#C4AF10no green cones; the most common form, about 1% of men; ΔE 49.5 from the original

Tritanopia#FF646Fno blue cones; rare, and affects men and women equally; ΔE 48.6 from the original

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

Contrast with white, large text2.5:1WCAG large text: Fail

Contrast with black, large text8.4:1WCAG large text: AAA

Named colours

Dark orange · ΔE 7.9 Chocolate · ΔE 18.7 Orange · ΔE 21.8 Coral · ΔE 23.2 Orange red · ΔE 27.1 Tomato · ΔE 29

Nearest named CSS colourDark orange (#FF8C00)ΔE 7.87, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1694FF

Analogous#FF161F, #FFF516

Triadic#16FF81, #8116FF

Split complementary#16FFF6, #161FFF

Tetradic#20FF16, #1694FF, #F616FF

Tints, shades & saturation

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

Lighter +40%#FFEFE2

Lighter +30%#FFD4AF

Lighter +20%#FFB87C

Lighter +10%#FF9D49

Darker −10%#E26800

Darker −20%#AF5000

Darker −30%#7C3900

Darker −40%#492200

More saturated +25%#FF8116

Less saturated −25%#E28333

Channel breakdown

R255

G129

B22

Red255 (100%)

Green129 (50.6%)

Blue22 (8.6%)

Hue27.55°

Saturation (HSL)100%

Lightness54.31%

Dominant channelRed

Hex per channelR FF · G 81 · B 16

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF8116 (chemical formula)

Formula
154,206.766 g/mol
8117 atoms

FF8116 has a molar mass of 154,206.766 g/mol, made up of 8117 atoms across 1 element: 8117 × F.

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Molar mass

Molar mass154,206.766 g/mol

Total atoms per molecule8117

Distinct elements1

Mass of one molecule2.5606636 × 10^-19 g

Molecules per gram3.9052377 × 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 × 8117)154,206.766 g/mol, 100%

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Elements in this formula

Fluorine

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