Recognised as Colour

#FF5112

#FF5112
Orange
Dark
Nearest: Orange red

#FF5112 is a orange with RGB values 255, 81, 18 and HSL 16°, 100%, 54%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF5112#FF5112

HEX#FF5112

RGBrgb(255, 81, 18)

RGB (0–1)1, 0.3176, 0.0706

RGB percentages100%, 31.8%, 7.1%

HSLhsl(15.9, 100%, 53.5%)

HSV / HSBhsv(15.9, 92.9%, 100%)

CMYK0%, 68.2%, 92.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,732,434

CSS custom property--colour: #FF5112;

Brightness & contrast

Relative luminance0.27189WCAG 2.x, 0 is black and 1 is white

Perceived brightness152.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.44:1

Contrast with white3.26:1WCAG normal text: Fail

Contrast with black6.44:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#00AEED

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#867600no red cones; affects about 1% of men; ΔE 69.8 from the original

Deuteranopia#B09D00no green cones; the most common form, about 1% of men; ΔE 70.4 from the original

Tritanopia#FF0047no blue cones; rare, and affects men and women equally; ΔE 34.7 from the original

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

Contrast with white, large text3.26:1WCAG large text: AA

Contrast with black, large text6.44:1WCAG large text: AAA

Named colours

Orange red · ΔE 5.2 Red · ΔE 17.5 Tomato · ΔE 20.7 Coral · ΔE 27.3 Chocolate · ΔE 28.4 Dark orange · ΔE 30.3

Nearest named CSS colourOrange red (#FF4500)ΔE 5.24, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#12C0FF

Analogous#FF124A, #FFC712

Triadic#12FF51, #5112FF

Split complementary#12FFC7, #124AFF

Tetradic#4AFF12, #12C0FF, #C712FF

Tints, shades & saturation

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

Lighter +40%#FFE7DE

Lighter +30%#FFC1AB

Lighter +20%#FF9C78

Lighter +10%#FF7645

Darker −10%#DE3B00

Darker −20%#AB2D00

Darker −30%#782000

Darker −40%#451200

More saturated +25%#FF5112

Less saturated −25%#E15F30

Channel breakdown

R255

G81

B18

Red255 (100%)

Green81 (31.8%)

Blue18 (7.1%)

Hue15.95°

Saturation (HSL)100%

Lightness53.53%

Dominant channelRed

Hex per channelR FF · G 51 · B 12

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF5112 (chemical formula)

Formula
97,136.774 g/mol
5113 atoms

FF5112 has a molar mass of 97,136.774 g/mol, made up of 5113 atoms across 1 element: 5113 × F.

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Molar mass

Molar mass97,136.774 g/mol

Total atoms per molecule5113

Distinct elements1

Mass of one molecule1.6129941 × 10^-19 g

Molecules per gram6.1996508 × 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 × 5113)97,136.774 g/mol, 100%

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Elements in this formula

Fluorine

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