Recognised as Colour

#F6600F

#F6600F
Orange
Dark
Nearest: Orange red

#F6600F is a orange with RGB values 246, 96, 15 and HSL 21°, 93%, 51%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F6600F#F6600F

HEX#F6600F

RGBrgb(246, 96, 15)

RGB (0–1)0.9647, 0.3765, 0.0588

RGB percentages96.5%, 37.6%, 5.9%

HSLhsl(21, 92.8%, 51.2%)

HSV / HSBhsv(21, 93.9%, 96.5%)

CMYK0%, 61%, 93.9%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,146,447

CSS custom property--colour: #F6600F;

Brightness & contrast

Relative luminance0.27993WCAG 2.x, 0 is black and 1 is white

Perceived brightness153.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.6:1

Contrast with white3.18:1WCAG normal text: Fail

Contrast with black6.6:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#099FF0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8C7B00no red cones; affects about 1% of men; ΔE 60.5 from the original

Deuteranopia#B19D00no green cones; the most common form, about 1% of men; ΔE 60.8 from the original

Tritanopia#FF3653no blue cones; rare, and affects men and women equally; ΔE 38.7 from the original

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

Contrast with white, large text3.18:1WCAG large text: AA

Contrast with black, large text6.6:1WCAG large text: AAA

Named colours

Orange red · ΔE 13.6 Chocolate · ΔE 20.4 Tomato · ΔE 20.4 Dark orange · ΔE 22.1 Coral · ΔE 22.4 Red · ΔE 26.4

Nearest named CSS colourOrange red (#FF4500)ΔE 13.63, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0FA5F6

Analogous#F60F32, #F6D30F

Triadic#0FF660, #600FF6

Split complementary#0FF6D3, #0F32F6

Tetradic#32F60F, #0FA5F6, #D30FF6

Tints, shades & saturation

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

Lighter +40%#FDE2D4

Lighter +30%#FCC2A2

Lighter +20%#FAA171

Lighter +10%#F88140

Darker −10%#CA4C08

Darker −20%#993906

Darker −30%#682704

Darker −40%#371502

More saturated +25%#FF5D06

Less saturated −25%#D7692E

Channel breakdown

R246

G96

B15

Red246 (96.5%)

Green96 (37.6%)

Blue15 (5.9%)

Hue21.04°

Saturation (HSL)92.77%

Lightness51.18%

Dominant channelRed

Hex per channelR F6 · G 60 · B 0F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F6600F (chemical formula)

Formula
125,405.798 g/mol
6601 atoms

F6600F has a molar mass of 125,405.798 g/mol, made up of 6601 atoms across 1 element: 6601 × F.

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Molar mass

Molar mass125,405.798 g/mol

Total atoms per molecule6601

Distinct elements1

Mass of one molecule2.0824123 × 10^-19 g

Molecules per gram4.8021231 × 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 × 6601)125,405.798 g/mol, 100%

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Elements in this formula

Fluorine

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