Recognised as Colour

#F65604

#F65604
Orange
Dark
Nearest: Orange red

#F65604 is a orange with RGB values 246, 86, 4 and HSL 20°, 97%, 49%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F65604#F65604

HEX#F65604

RGBrgb(246, 86, 4)

RGB (0–1)0.9647, 0.3373, 0.0157

RGB percentages96.5%, 33.7%, 1.6%

HSLhsl(20.3, 96.8%, 49%)

HSV / HSBhsv(20.3, 98.4%, 96.5%)

CMYK0%, 65%, 98.4%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,143,876

CSS custom property--colour: #F65604;

Brightness & contrast

Relative luminance0.26257WCAG 2.x, 0 is black and 1 is white

Perceived brightness149.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.25:1

Contrast with white3.36:1WCAG normal text: Fail

Contrast with black6.25:1WCAG normal text: AA

Greyscale equivalent#727272

Inverted#09A9FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#867500no red cones; affects about 1% of men; ΔE 64.6 from the original

Deuteranopia#AD9900no green cones; the most common form, about 1% of men; ΔE 64.5 from the original

Tritanopia#FF204Ano blue cones; rare, and affects men and women equally; ΔE 37.2 from the original

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

Contrast with white, large text3.36:1WCAG large text: AA

Contrast with black, large text6.25:1WCAG large text: AAA

Named colours

Orange red · ΔE 9.2 Tomato · ΔE 21.6 Red · ΔE 22 Chocolate · ΔE 24.3 Coral · ΔE 25.8 Dark orange · ΔE 25.8

Nearest named CSS colourOrange red (#FF4500)ΔE 9.21, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04A4F6

Analogous#F6042B, #F6CF04

Triadic#04F656, #5604F6

Split complementary#04F6CF, #042BF6

Tetradic#2BF604, #04A4F6, #CF04F6

Tints, shades & saturation

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

Lighter +40%#FEDAC8

Lighter +30%#FDB996

Lighter +20%#FC9764

Lighter +10%#FC7631

Darker −10%#C44403

Darker −20%#923302

Darker −30%#5F2102

Darker −40%#2D1001

More saturated +25%#FA5500

Less saturated −25%#D76023

Channel breakdown

R246

G86

Red246 (96.5%)

Green86 (33.7%)

Blue4 (1.6%)

Hue20.33°

Saturation (HSL)96.8%

Lightness49.02%

Dominant channelRed

Hex per channelR F6 · G 56 · B 04

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F65604 (chemical formula)

Formula
1,246,344.792 g/mol
65604 atoms

F65604 has a molar mass of 1,246,344.792 g/mol, made up of 65604 atoms across 1 element: 65604 × F.

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Molar mass

Molar mass1,246,344.792 g/mol

Total atoms per molecule65604

Distinct elements1

Mass of one molecule2.0696042 × 10^-18 g

Molecules per gram4.8318417 × 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 × 65604)1,246,344.792 g/mol, 100%

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Elements in this formula

Fluorine

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