Recognised as Colour

#F66917

#F66917
Orange
Dark
Nearest: Chocolate

#F66917 is a orange with RGB values 246, 105, 23 and HSL 22°, 93%, 53%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#F66917#F66917

HEX#F66917

RGBrgb(246, 105, 23)

RGB (0–1)0.9647, 0.4118, 0.0902

RGB percentages96.5%, 41.2%, 9%

HSLhsl(22.1, 92.5%, 52.7%)

HSV / HSBhsv(22.1, 90.7%, 96.5%)

CMYK0%, 57.3%, 90.7%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,148,759

CSS custom property--colour: #F66917;

Brightness & contrast

Relative luminance0.29758WCAG 2.x, 0 is black and 1 is white

Perceived brightness156.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.95:1

Contrast with white3.02:1WCAG normal text: Fail

Contrast with black6.95:1WCAG normal text: AA

Greyscale equivalent#818181

Inverted#0996E8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#928000no red cones; affects about 1% of men; ΔE 56.1 from the original

Deuteranopia#B4A00Bno green cones; the most common form, about 1% of men; ΔE 56.9 from the original

Tritanopia#FF465Bno blue cones; rare, and affects men and women equally; ΔE 39.8 from the original

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

Contrast with white, large text3.02:1WCAG large text: AA

Contrast with black, large text6.95:1WCAG large text: AAA

Named colours

Chocolate · ΔE 17.1 Orange red · ΔE 17.9 Dark orange · ΔE 18.8 Coral · ΔE 19.7 Tomato · ΔE 20.4 Red · ΔE 30.6

Nearest named CSS colourChocolate (#D2691E)ΔE 17.08, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17A4F6

Analogous#F61735, #F6D817

Triadic#17F669, #6917F6

Split complementary#17F6D9, #1734F6

Tetradic#35F617, #17A4F6, #D817F6

Tints, shades & saturation

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

Lighter +40%#FEE8DB

Lighter +30%#FCC8AA

Lighter +20%#FAA879

Lighter +10%#F88948

Darker −10%#D25208

Darker −20%#A13F06

Darker −30%#702C04

Darker −40%#3F1902

More saturated +25%#FF670E

Less saturated −25%#D87135

Channel breakdown

R246

G105

B23

Red246 (96.5%)

Green105 (41.2%)

Blue23 (9%)

Hue22.06°

Saturation (HSL)92.53%

Lightness52.75%

Dominant channelRed

Hex per channelR F6 · G 69 · B 17

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F66917 (chemical formula)

Formula
1,271,289.166 g/mol
66917 atoms

F66917 has a molar mass of 1,271,289.166 g/mol, made up of 66917 atoms across 1 element: 66917 × F.

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Molar mass

Molar mass1,271,289.166 g/mol

Total atoms per molecule66917

Distinct elements1

Mass of one molecule2.1110253 × 10^-18 g

Molecules per gram4.7370346 × 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 × 66917)1,271,289.166 g/mol, 100%

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Elements in this formula

Fluorine

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