Recognised as Colour

#F65304

#F65304
Orange
Dark
Nearest: Orange red

#F65304 is a orange with RGB values 246, 83, 4 and HSL 20°, 97%, 49%. 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

#F65304#F65304

HEX#F65304

RGBrgb(246, 83, 4)

RGB (0–1)0.9647, 0.3255, 0.0157

RGB percentages96.5%, 32.5%, 1.6%

HSLhsl(19.6, 96.8%, 49%)

HSV / HSBhsv(19.6, 98.4%, 96.5%)

CMYK0%, 66.3%, 98.4%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,143,108

CSS custom property--colour: #F65304;

Brightness & contrast

Relative luminance0.25788WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.16:1

Contrast with white3.41:1WCAG normal text: Fail

Contrast with black6.16:1WCAG normal text: AA

Greyscale equivalent#707070

Inverted#09ACFB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#847400no red cones; affects about 1% of men; ΔE 66.2 from the original

Deuteranopia#AC9900no green cones; the most common form, about 1% of men; ΔE 66.2 from the original

Tritanopia#FF1748no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original

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

Contrast with white, large text3.41:1WCAG large text: AA

Contrast with black, large text6.16:1WCAG large text: AAA

Named colours

Orange red · ΔE 8 Red · ΔE 20.7 Tomato · ΔE 21.5 Chocolate · ΔE 25.3 Coral · ΔE 26.4 Dark orange · ΔE 27.1

Nearest named CSS colourOrange red (#FF4500)ΔE 8.04, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04A7F6

Analogous#F6042E, #F6CC04

Triadic#04F653, #5304F6

Split complementary#04F6CC, #042EF6

Tetradic#2EF604, #04A7F6, #CC04F6

Tints, shades & saturation

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

Lighter +40%#FEDAC8

Lighter +30%#FDB896

Lighter +20%#FC9564

Lighter +10%#FC7331

Darker −10%#C44203

Darker −20%#923102

Darker −30%#5F2002

Darker −40%#2D0F01

More saturated +25%#FA5200

Less saturated −25%#D75E23

Channel breakdown

R246

G83

Red246 (96.5%)

Green83 (32.5%)

Blue4 (1.6%)

Hue19.59°

Saturation (HSL)96.8%

Lightness49.02%

Dominant channelRed

Hex per channelR F6 · G 53 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F65304 (chemical formula)

Formula
1,240,645.392 g/mol
65304 atoms

F65304 has a molar mass of 1,240,645.392 g/mol, made up of 65304 atoms across 1 element: 65304 × F.

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Molar mass

Molar mass1,240,645.392 g/mol

Total atoms per molecule65304

Distinct elements1

Mass of one molecule2.0601401 × 10^-18 g

Molecules per gram4.8540387 × 10^17

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 × 65304)1,240,645.392 g/mol, 100%

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Elements in this formula

Fluorine

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