Colour

#FF7318

#FF7318
Orange
Dark
Nearest: Dark orange

#FF7318 is a orange with RGB values 255, 115, 24 and HSL 24°, 100%, 55%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF7318#FF7318

HEX#FF7318

RGBrgb(255, 115, 24)

RGB (0–1)1, 0.451, 0.0941

RGB percentages100%, 45.1%, 9.4%

HSLhsl(23.6, 100%, 54.7%)

HSV / HSBhsv(23.6, 90.6%, 100%)

CMYK0%, 54.9%, 90.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,741,144

CSS custom property--colour: #FF7318;

Brightness & contrast

Relative luminance0.33587WCAG 2.x, 0 is black and 1 is white

Perceived brightness165.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.72:1

Contrast with white2.72:1WCAG normal text: Fail

Contrast with black7.72:1WCAG normal text: AAA

Greyscale equivalent#8A8A8A

Inverted#008CE7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9C8900no red cones; affects about 1% of men; ΔE 55 from the original

Deuteranopia#BEA90Eno green cones; the most common form, about 1% of men; ΔE 55.8 from the original

Tritanopia#FF5163no blue cones; rare, and affects men and women equally; ΔE 43.8 from the original

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

Contrast with white, large text2.72:1WCAG large text: Fail

Contrast with black, large text7.72:1WCAG large text: AAA

Named colours

Dark orange · ΔE 15.3 Chocolate · ΔE 18.9 Orange red · ΔE 19.8 Coral · ΔE 21.2 Tomato · ΔE 23.5 Orange · ΔE 29.4

Nearest named CSS colourDark orange (#FF8C00)ΔE 15.27, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18A4FF

Analogous#FF1831, #FFE618

Triadic#18FF73, #7318FF

Split complementary#18FFE6, #1831FF

Tetradic#31FF18, #18A4FF, #E618FF

Tints, shades & saturation

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

Lighter +40%#FFEFE4

Lighter +30%#FFD0B1

Lighter +20%#FFB17E

Lighter +10%#FF924B

Darker −10%#E45A00

Darker −20%#B14600

Darker −30%#7E3200

Darker −40%#4B1E00

More saturated +25%#FF7318

Less saturated −25%#E27935

Channel breakdown

R255

G115

B24

Red255 (100%)

Green115 (45.1%)

Blue24 (9.4%)

Hue23.64°

Saturation (HSL)100%

Lightness54.71%

Dominant channelRed

Hex per channelR FF · G 73 · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF7318 (chemical formula)

Formula
139,046.362 g/mol
7319 atoms

FF7318 has a molar mass of 139,046.362 g/mol, made up of 7319 atoms across 1 element: 7319 × F.

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Molar mass

Molar mass139,046.362 g/mol

Total atoms per molecule7319

Distinct elements1

Mass of one molecule2.3089192 × 10^-19 g

Molecules per gram4.3310308 × 10^18

Composition by mass

F100%

Fluorine (F × 7319)139,046.362 g/mol, 100%

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Elements in this formula

Fluorine

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