Recognised as Colour

#F66211

#F66211
Orange
Dark
Nearest: Orange red

#F66211 is a orange with RGB values 246, 98, 17 and HSL 21°, 93%, 52%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F66211#F66211

HEX#F66211

RGBrgb(246, 98, 17)

RGB (0–1)0.9647, 0.3843, 0.0667

RGB percentages96.5%, 38.4%, 6.7%

HSLhsl(21.2, 92.7%, 51.6%)

HSV / HSBhsv(21.2, 93.1%, 96.5%)

CMYK0%, 60.2%, 93.1%, 3.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,146,961

CSS custom property--colour: #F66211;

Brightness & contrast

Relative luminance0.28369WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.67:1

Contrast with white3.15:1WCAG normal text: Fail

Contrast with black6.67:1WCAG normal text: AA

Greyscale equivalent#7C7C7C

Inverted#099DEE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8D7C00no red cones; affects about 1% of men; ΔE 59.6 from the original

Deuteranopia#B19E00no green cones; the most common form, about 1% of men; ΔE 60.4 from the original

Tritanopia#FF3A55no blue cones; rare, and affects men and women equally; ΔE 39 from the original

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

Contrast with white, large text3.15:1WCAG large text: AA

Contrast with black, large text6.67:1WCAG large text: AAA

Named colours

Orange red · ΔE 14.6 Chocolate · ΔE 19.6 Tomato · ΔE 20.3 Dark orange · ΔE 21.4 Coral · ΔE 21.7 Red · ΔE 27.3

Nearest named CSS colourOrange red (#FF4500)ΔE 14.56, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#11A5F6

Analogous#F61133, #F6D511

Triadic#11F662, #6211F6

Split complementary#11F6D5, #1132F6

Tetradic#32F611, #11A5F6, #D411F6

Tints, shades & saturation

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

Lighter +40%#FDE4D6

Lighter +30%#FCC3A4

Lighter +20%#FAA373

Lighter +10%#F88242

Darker −10%#CC4D08

Darker −20%#9B3B06

Darker −30%#6A2804

Darker −40%#391502

More saturated +25%#FF5F08

Less saturated −25%#D76B30

Channel breakdown

R246

G98

B17

Red246 (96.5%)

Green98 (38.4%)

Blue17 (6.7%)

Hue21.22°

Saturation (HSL)92.71%

Lightness51.57%

Dominant channelRed

Hex per channelR F6 · G 62 · B 11

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F66211 (chemical formula)

Formula
1,257,876.578 g/mol
66211 atoms

F66211 has a molar mass of 1,257,876.578 g/mol, made up of 66211 atoms across 1 element: 66211 × F.

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Molar mass

Molar mass1,257,876.578 g/mol

Total atoms per molecule66211

Distinct elements1

Mass of one molecule2.0887532 × 10^-18 g

Molecules per gram4.787545 × 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 × 66211)1,257,876.578 g/mol, 100%

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Elements in this formula

Fluorine

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