Recognised as Colour

#F24409

#F24409
Orange
Dark
Nearest: Orange red

#F24409 is a orange with RGB values 242, 68, 9 and HSL 15°, 93%, 49%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F24409#F24409

HEX#F24409

RGBrgb(242, 68, 9)

RGB (0–1)0.949, 0.2667, 0.0353

RGB percentages94.9%, 26.7%, 3.5%

HSLhsl(15.2, 92.8%, 49.2%)

HSV / HSBhsv(15.2, 96.3%, 94.9%)

CMYK0%, 71.9%, 96.3%, 5.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,877,129

CSS custom property--colour: #F24409;

Brightness & contrast

Relative luminance0.23031WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.61:1

Contrast with white3.75:1WCAG normal text: Fail

Contrast with black5.61:1WCAG normal text: AA

Greyscale equivalent#656565

Inverted#0DBBF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7A6B00no red cones; affects about 1% of men; ΔE 70.3 from the original

Deuteranopia#A59200no green cones; the most common form, about 1% of men; ΔE 69.9 from the original

Tritanopia#FF003Cno blue cones; rare, and affects men and women equally; ΔE 27.4 from the original

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

Contrast with white, large text3.75:1WCAG large text: AA

Contrast with black, large text5.61:1WCAG large text: AAA

Named colours

Orange red · ΔE 6.2 Red · ΔE 16.2 Tomato · ΔE 20.5 Coral · ΔE 28.2 Chocolate · ΔE 28.3 Firebrick · ΔE 32.4

Nearest named CSS colourOrange red (#FF4500)ΔE 6.2, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#09B7F2

Analogous#F20942, #F2B909

Triadic#09F244, #4409F2

Split complementary#09F2B8, #0943F2

Tetradic#43F209, #09B7F2, #B809F2

Tints, shades & saturation

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

Lighter +40%#FDD7CA

Lighter +30%#FBB299

Lighter +20%#F98D68

Lighter +10%#F86736

Darker −10%#C13607

Darker −20%#902805

Darker −30%#5E1B04

Darker −40%#2D0D02

More saturated +25%#FB4000

Less saturated −25%#D35328

Channel breakdown

R242

G68

Red242 (94.9%)

Green68 (26.7%)

Blue9 (3.5%)

Hue15.19°

Saturation (HSL)92.83%

Lightness49.22%

Dominant channelRed

Hex per channelR F2 · G 44 · B 09

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F24409 (chemical formula)

Formula
463,722.182 g/mol
24409 atoms

F24409 has a molar mass of 463,722.182 g/mol, made up of 24409 atoms across 1 element: 24409 × F.

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Molar mass

Molar mass463,722.182 g/mol

Total atoms per molecule24409

Distinct elements1

Mass of one molecule7.700288 × 10^-19 g

Molecules per gram1.2986527 × 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 × 24409)463,722.182 g/mol, 100%

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Elements in this formula

Fluorine

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