Recognised as Colour

#FF9943

#FF9943
Orange
Dark
Nearest: Sandy brown

#FF9943 is a orange with RGB values 255, 153, 67 and HSL 27°, 100%, 63%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FF9943#FF9943

HEX#FF9943

RGBrgb(255, 153, 67)

RGB (0–1)1, 0.6, 0.2627

RGB percentages100%, 60%, 26.3%

HSLhsl(27.4, 100%, 63.1%)

HSV / HSBhsv(27.4, 73.7%, 100%)

CMYK0%, 40%, 73.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,750,915

CSS custom property--colour: #FF9943;

Brightness & contrast

Relative luminance0.44448WCAG 2.x, 0 is black and 1 is white

Perceived brightness183.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.89:1

Contrast with white2.12:1WCAG normal text: Fail

Contrast with black9.89:1WCAG normal text: AAA

Greyscale equivalent#A8A8A8

Inverted#0066BC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B7A438no red cones; affects about 1% of men; ΔE 37.5 from the original

Deuteranopia#D0BB43no green cones; the most common form, about 1% of men; ΔE 37.8 from the original

Tritanopia#FF8387no blue cones; rare, and affects men and women equally; ΔE 42.7 from the original

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

Contrast with white, large text2.12:1WCAG large text: Fail

Contrast with black, large text9.89:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 15.3 Dark orange · ΔE 17.3 Chocolate · ΔE 17.6 Peru · ΔE 18.7 Coral · ΔE 18.9 Orange · ΔE 21.2

Nearest named CSS colourSandy brown (#F4A460)ΔE 15.25, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#43A9FF

Analogous#FF434B, #FFF743

Triadic#43FF99, #9943FF

Split complementary#43FFF7, #434BFF

Tetradic#4BFF43, #43A9FF, #F743FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFECDC

Lighter +20%#FFD0A9

Lighter +10%#FFB576

Darker −10%#FF7D10

Darker −20%#DC6500

Darker −30%#A94D00

Darker −40%#763600

More saturated +25%#FF9943

Less saturated −25%#E89B5A

Channel breakdown

R255

G153

B67

Red255 (100%)

Green153 (60%)

Blue67 (26.3%)

Hue27.45°

Saturation (HSL)100%

Lightness63.14%

Dominant channelRed

Hex per channelR FF · G 99 · B 43

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF9943 (chemical formula)

Formula
188,916.112 g/mol
9944 atoms

FF9943 has a molar mass of 188,916.112 g/mol, made up of 9944 atoms across 1 element: 9944 × F.

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Molar mass

Molar mass188,916.112 g/mol

Total atoms per molecule9944

Distinct elements1

Mass of one molecule3.1370258 × 10^-19 g

Molecules per gram3.1877327 × 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 × 9944)188,916.112 g/mol, 100%

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Elements in this formula

Fluorine

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