Recognised as Colour

#F86815

#F86815
Orange
Dark
Nearest: Orange red

#F86815 is a orange with RGB values 248, 104, 21 and HSL 22°, 94%, 53%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F86815#F86815

HEX#F86815

RGBrgb(248, 104, 21)

RGB (0–1)0.9725, 0.4078, 0.0824

RGB percentages97.3%, 40.8%, 8.2%

HSLhsl(21.9, 94.2%, 52.7%)

HSV / HSBhsv(21.9, 91.5%, 97.3%)

CMYK0%, 58.1%, 91.5%, 2.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,279,573

CSS custom property--colour: #F86815;

Brightness & contrast

Relative luminance0.29911WCAG 2.x, 0 is black and 1 is white

Perceived brightness157.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.98:1

Contrast with white3.01:1WCAG normal text: Fail

Contrast with black6.98:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#0797EA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#928000no red cones; affects about 1% of men; ΔE 57.4 from the original

Deuteranopia#B5A107no green cones; the most common form, about 1% of men; ΔE 58.2 from the original

Tritanopia#FF435Ano blue cones; rare, and affects men and women equally; ΔE 40.3 from the original

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

Contrast with white, large text3.01:1WCAG large text: AA

Contrast with black, large text6.98:1WCAG large text: AAA

Named colours

Orange red · ΔE 16.7 Chocolate · ΔE 18.4 Dark orange · ΔE 19.3 Coral · ΔE 20.7 Tomato · ΔE 20.8 Red · ΔE 29.5

Nearest named CSS colourOrange red (#FF4500)ΔE 16.69, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#15A5F8

Analogous#F81534, #F8DA15

Triadic#15F868, #6815F8

Split complementary#15F8DA, #1533F8

Tetradic#33F815, #15A5F8, #DA15F8

Tints, shades & saturation

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

Lighter +40%#FEE8DB

Lighter +30%#FCC8AA

Lighter +20%#FBA878

Lighter +10%#F98847

Darker −10%#D45106

Darker −20%#A23E05

Darker −30%#712B03

Darker −40%#3F1802

More saturated +25%#FF660E

Less saturated −25%#DA7033

Channel breakdown

R248

G104

B21

Red248 (97.3%)

Green104 (40.8%)

Blue21 (8.2%)

Hue21.94°

Saturation (HSL)94.19%

Lightness52.75%

Dominant channelRed

Hex per channelR F8 · G 68 · B 15

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F86815 (chemical formula)

Formula
1,649,311.37 g/mol
86815 atoms

F86815 has a molar mass of 1,649,311.37 g/mol, made up of 86815 atoms across 1 element: 86815 × F.

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Molar mass

Molar mass1,649,311.37 g/mol

Total atoms per molecule86815

Distinct elements1

Mass of one molecule2.738746 × 10^-18 g

Molecules per gram3.6513062 × 10^17

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 × 86815)1,649,311.37 g/mol, 100%

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Elements in this formula

Fluorine

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