Recognised as Colour

#FBAB31

#FBAB31
Orange
Dark
Nearest: Orange

#FBAB31 is a orange with RGB values 251, 171, 49 and HSL 36°, 96%, 59%. It is a dark colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FBAB31#FBAB31

HEX#FBAB31

RGBrgb(251, 171, 49)

RGB (0–1)0.9843, 0.6706, 0.1922

RGB percentages98.4%, 67.1%, 19.2%

HSLhsl(36.2, 96.2%, 58.8%)

HSV / HSBhsv(36.2, 80.5%, 98.4%)

CMYK0%, 31.9%, 80.5%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,493,361

CSS custom property--colour: #FBAB31;

Brightness & contrast

Relative luminance0.49857WCAG 2.x, 0 is black and 1 is white

Perceived brightness190.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.97:1

Contrast with white1.91:1WCAG normal text: Fail

Contrast with black10.97:1WCAG normal text: AAA

Greyscale equivalent#B3B3B3

Inverted#0454CE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C7B018no red cones; affects about 1% of men; ΔE 26.1 from the original

Deuteranopia#DAC335no green cones; the most common form, about 1% of men; ΔE 26.6 from the original

Tritanopia#FF9794no blue cones; rare, and affects men and women equally; ΔE 54.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.91:1WCAG large text: Fail

Contrast with black, large text10.97:1WCAG large text: AAA

Named colours

Orange · ΔE 10.4 Goldenrod · ΔE 12.5 Dark orange · ΔE 19.1 Dark goldenrod · ΔE 20.7 Sandy brown · ΔE 23 Peru · ΔE 25.9

Nearest named CSS colourOrange (#FFA500)ΔE 10.35, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3181FB

Analogous#FB4631, #E6FB31

Triadic#31FBAB, #AB31FB

Split complementary#31E6FB, #4631FB

Tetradic#31FB46, #3181FB, #FB31E6

Tints, shades & saturation

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

Lighter +40%#FFFDF9

Lighter +30%#FEE8C7

Lighter +20%#FDD495

Lighter +10%#FCBF63

Darker −10%#F49505

Darker −20%#C27704

Darker −30%#905803

Darker −40%#5E3A02

More saturated +25%#FFAC2D

Less saturated −25%#E1A64B

Channel breakdown

R251

G171

B49

Red251 (98.4%)

Green171 (67.1%)

Blue49 (19.2%)

Hue36.24°

Saturation (HSL)96.19%

Lightness58.82%

Dominant channelRed

Hex per channelR FB · G AB · B 31

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FBaB31 (chemical formula)

Formula
491.438 g/mol
33 atoms

FBaB31 has a molar mass of 491.438 g/mol, made up of 33 atoms across 3 elements: 1 × F, 1 × Ba, 31 × B.

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Molar mass

Molar mass491.438 g/mol

Total atoms per molecule33

Distinct elements3

Mass of one molecule8.16052 × 10^-22 g

Molecules per gram1.2254121 × 10^21

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

F3.9%

Ba27.9%

B68.2%

Fluorine (F)18.998 g/mol, 3.866%

Barium (Ba)137.33 g/mol, 27.945%

Boron (B × 31)335.11 g/mol, 68.19%

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Elements in this formula

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