Recognised as Colour

#FF4916

#FF4916
Red
Dark
Nearest: Orange red

#FF4916 is a red with RGB values 255, 73, 22 and HSL 13°, 100%, 54%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF4916#FF4916

HEX#FF4916

RGBrgb(255, 73, 22)

RGB (0–1)1, 0.2863, 0.0863

RGB percentages100%, 28.6%, 8.6%

HSLhsl(13.1, 100%, 54.3%)

HSV / HSBhsv(13.1, 91.4%, 100%)

CMYK0%, 71.4%, 91.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,730,390

CSS custom property--colour: #FF4916;

Brightness & contrast

Relative luminance0.26083WCAG 2.x, 0 is black and 1 is white

Perceived brightness150.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.22:1

Contrast with white3.38:1WCAG normal text: Fail

Contrast with black6.22:1WCAG normal text: AA

Greyscale equivalent#6C6C6C

Inverted#00B6E9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#817204no red cones; affects about 1% of men; ΔE 72.9 from the original

Deuteranopia#AE9A00no green cones; the most common form, about 1% of men; ΔE 72.6 from the original

Tritanopia#FF0041no blue cones; rare, and affects men and women equally; ΔE 28.5 from the original

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

Contrast with white, large text3.38:1WCAG large text: AA

Contrast with black, large text6.22:1WCAG large text: AAA

Named colours

Orange red · ΔE 4.9 Red · ΔE 14.6 Tomato · ΔE 20.3 Coral · ΔE 28.6 Chocolate · ΔE 30.6 Crimson · ΔE 32.9

Nearest named CSS colourOrange red (#FF4500)ΔE 4.86, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#16CCFF

Analogous#FF1657, #FFBE16

Triadic#16FF49, #4916FF

Split complementary#16FFBE, #1657FF

Tetradic#57FF16, #16CCFF, #BE16FF

Tints, shades & saturation

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

Lighter +40%#FFE8E2

Lighter +30%#FFC1AF

Lighter +20%#FF997C

Lighter +10%#FF7149

Darker −10%#E23100

Darker −20%#AF2600

Darker −30%#7C1B00

Darker −40%#491000

More saturated +25%#FF4916

Less saturated −25%#E25933

Channel breakdown

R255

G73

B22

Red255 (100%)

Green73 (28.6%)

Blue22 (8.6%)

Hue13.13°

Saturation (HSL)100%

Lightness54.31%

Dominant channelRed

Hex per channelR FF · G 49 · B 16

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF4916 (chemical formula)

Formula
93,413.166 g/mol
4917 atoms

FF4916 has a molar mass of 93,413.166 g/mol, made up of 4917 atoms across 1 element: 4917 × F.

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Molar mass

Molar mass93,413.166 g/mol

Total atoms per molecule4917

Distinct elements1

Mass of one molecule1.5511621 × 10^-19 g

Molecules per gram6.4467794 × 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 × 4917)93,413.166 g/mol, 100%

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Elements in this formula

Fluorine

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