Recognised as Colour

#F20012

#F20012
Red
Dark
Nearest: Red

#F20012 is a red with RGB values 242, 0, 18 and HSL 356°, 100%, 47%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#F20012#F20012

HEX#F20012

RGBrgb(242, 0, 18)

RGB (0–1)0.949, 0, 0.0706

RGB percentages94.9%, 0%, 7.1%

HSLhsl(355.5, 100%, 47.5%)

HSV / HSBhsv(355.5, 100%, 94.9%)

CMYK0%, 100%, 92.6%, 5.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,859,730

CSS custom property--colour: #F20012;

Brightness & contrast

Relative luminance0.18921WCAG 2.x, 0 is black and 1 is white

Perceived brightness132.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.78:1

Contrast with white4.39:1WCAG normal text: Fail

Contrast with black4.78:1WCAG normal text: AA

Greyscale equivalent#353535

Inverted#0DFFED

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665A0Ano red cones; affects about 1% of men; ΔE 83.6 from the original

Deuteranopia#9A8900no green cones; the most common form, about 1% of men; ΔE 83.1 from the original

Tritanopia#FF0012no blue cones; rare, and affects men and women equally; ΔE 5 from the original

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

Contrast with white, large text4.39:1WCAG large text: AA

Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Red · ΔE 8.6 Orange red · ΔE 14.9 Tomato · ΔE 26.1 Crimson · ΔE 27 Firebrick · ΔE 32.6 Coral · ΔE 37.9

Nearest named CSS colourRed (#FF0000)ΔE 8.57, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00F2E0

Analogous#F2008B, #F26700

Triadic#12F200, #0012F2

Split complementary#00F267, #008BF2

Tetradic#8BF200, #00F2E0, #6700F2

Tints, shades & saturation

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

Lighter +40%#FFBFC4

Lighter +30%#FF8C95

Lighter +20%#FF5965

Lighter +10%#FF2636

Darker −10%#BF000E

Darker −20%#8C000A

Darker −30%#590007

Darker −40%#260003

More saturated +25%#F20012

Less saturated −25%#D41E2C

Channel breakdown

R242

B18

Red242 (94.9%)

Green0 (0%)

Blue18 (7.1%)

Hue355.54°

Saturation (HSL)100%

Lightness47.45%

Dominant channelRed

Hex per channelR F2 · G 00 · B 12

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F20012 (chemical formula)

Formula
380,187.976 g/mol
20012 atoms

F20012 has a molar mass of 380,187.976 g/mol, made up of 20012 atoms across 1 element: 20012 × F.

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Molar mass

Molar mass380,187.976 g/mol

Total atoms per molecule20012

Distinct elements1

Mass of one molecule6.3131699 × 10^-19 g

Molecules per gram1.5839903 × 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 × 20012)380,187.976 g/mol, 100%

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Elements in this formula

Fluorine

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