Recognised as Colour

#F47900

#F47900
Orange
Dark
Nearest: Dark orange

#F47900 is a orange with RGB values 244, 121, 0 and HSL 30°, 100%, 48%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#F47900#F47900

HEX#F47900

RGBrgb(244, 121, 0)

RGB (0–1)0.9569, 0.4745, 0

RGB percentages95.7%, 47.5%, 0%

HSLhsl(29.8, 100%, 47.8%)

HSV / HSBhsv(29.8, 100%, 95.7%)

CMYK0%, 50.4%, 100%, 4.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,021,760

CSS custom property--colour: #F47900;

Brightness & contrast

Relative luminance0.32908WCAG 2.x, 0 is black and 1 is white

Perceived brightness162.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.58:1

Contrast with white2.77:1WCAG normal text: Fail

Contrast with black7.58:1WCAG normal text: AAA

Greyscale equivalent#8A8A8A

Inverted#0B86FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9D8A00no red cones; affects about 1% of men; ΔE 48.3 from the original

Deuteranopia#BBA600no green cones; the most common form, about 1% of men; ΔE 48.4 from the original

Tritanopia#FF5C67no blue cones; rare, and affects men and women equally; ΔE 48.1 from the original

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

Contrast with white, large text2.77:1WCAG large text: Fail

Contrast with black, large text7.58:1WCAG large text: AAA

Named colours

Dark orange · ΔE 8.5 Chocolate · ΔE 17.5 Orange · ΔE 22.4 Coral · ΔE 24.4 Orange red · ΔE 26.7 Tomato · ΔE 29.7

Nearest named CSS colourDark orange (#FF8C00)ΔE 8.5, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#007BF4

Analogous#F40001, #F4F300

Triadic#00F479, #7900F4

Split complementary#00F4F3, #0001F4

Tetradic#01F400, #007BF4, #F300F4

Tints, shades & saturation

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

Lighter +40%#FFE0C1

Lighter +30%#FFC68E

Lighter +20%#FFAC5B

Lighter +10%#FF9328

Darker −10%#C16000

Darker −20%#8E4600

Darker −30%#5B2D00

Darker −40%#281400

More saturated +25%#F47900

Less saturated −25%#D6791F

Channel breakdown

R244

G121

Red244 (95.7%)

Green121 (47.5%)

Blue0 (0%)

Hue29.75°

Saturation (HSL)100%

Lightness47.84%

Dominant channelRed

Hex per channelR F4 · G 79 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F47900 (chemical formula)

Formula
910,004.2 g/mol
47900 atoms

F47900 has a molar mass of 910,004.2 g/mol, made up of 47900 atoms across 1 element: 47900 × F.

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Molar mass

Molar mass910,004.2 g/mol

Total atoms per molecule47900

Distinct elements1

Mass of one molecule1.5110975 × 10^-18 g

Molecules per gram6.6177066 × 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 × 47900)910,004.2 g/mol, 100%

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Elements in this formula

Fluorine

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