Recognised as Colour

#F17640

#F17640
Orange
Dark
Nearest: Coral

#F17640 is a orange with RGB values 241, 118, 64 and HSL 18°, 86%, 60%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#F17640#F17640

HEX#F17640

RGBrgb(241, 118, 64)

RGB (0–1)0.9451, 0.4627, 0.251

RGB percentages94.5%, 46.3%, 25.1%

HSLhsl(18.3, 86.3%, 59.8%)

HSV / HSBhsv(18.3, 73.4%, 94.5%)

CMYK0%, 51%, 73.4%, 5.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,824,448

CSS custom property--colour: #F17640;

Brightness & contrast

Relative luminance0.32028WCAG 2.x, 0 is black and 1 is white

Perceived brightness161.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.41:1

Contrast with white2.84:1WCAG normal text: Fail

Contrast with black7.41:1WCAG normal text: AAA

Greyscale equivalent#8C8C8C

Inverted#0E89BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#98893Ano red cones; affects about 1% of men; ΔE 49.1 from the original

Deuteranopia#B6A43Dno green cones; the most common form, about 1% of men; ΔE 49.5 from the original

Tritanopia#FF5C6Ano blue cones; rare, and affects men and women equally; ΔE 30.8 from the original

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

Contrast with white, large text2.84:1WCAG large text: Fail

Contrast with black, large text7.41:1WCAG large text: AAA

Named colours

Coral · ΔE 5.3 Chocolate · ΔE 11.7 Tomato · ΔE 14.8 Salmon · ΔE 21.9 Peru · ΔE 22.6 Light salmon · ΔE 23.2

Nearest named CSS colourCoral (#FF7F50)ΔE 5.26, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40BBF1

Analogous#F14062, #F1CE40

Triadic#40F176, #7640F1

Split complementary#40F1CF, #4062F1

Tetradic#62F140, #40BBF1, #CF40F1

Tints, shades & saturation

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

Lighter +40%#FFFEFE

Lighter +30%#FBDCCF

Lighter +20%#F8BA9F

Lighter +10%#F49870

Darker −10%#ED5411

Darker −20%#BD430E

Darker −30%#8E320A

Darker −40%#5E2207

More saturated +25%#FF7132

Less saturated −25%#D7805A

Channel breakdown

R241

G118

B64

Red241 (94.5%)

Green118 (46.3%)

Blue64 (25.1%)

Hue18.31°

Saturation (HSL)86.34%

Lightness59.8%

Dominant channelRed

Hex per channelR F1 · G 76 · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F17640 (chemical formula)

Formula
335,124.72 g/mol
17640 atoms

F17640 has a molar mass of 335,124.72 g/mol, made up of 17640 atoms across 1 element: 17640 × F.

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Molar mass

Molar mass335,124.72 g/mol

Total atoms per molecule17640

Distinct elements1

Mass of one molecule5.5648769 × 10^-19 g

Molecules per gram1.7969849 × 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 × 17640)335,124.72 g/mol, 100%

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Elements in this formula

Fluorine

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