Recognised as Colour

#FBA50B

#FBA50B
Orange
Dark
Nearest: Orange

#FBA50B is a orange with RGB values 251, 165, 11 and HSL 39°, 97%, 51%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FBA50B#FBA50B

HEX#FBA50B

RGBrgb(251, 165, 11)

RGB (0–1)0.9843, 0.6471, 0.0431

RGB percentages98.4%, 64.7%, 4.3%

HSLhsl(38.5, 96.8%, 51.4%)

HSV / HSBhsv(38.5, 95.6%, 98.4%)

CMYK0%, 34.3%, 95.6%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,491,787

CSS custom property--colour: #FBA50B;

Brightness & contrast

Relative luminance0.47444WCAG 2.x, 0 is black and 1 is white

Perceived brightness186.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.49:1

Contrast with white2:1WCAG normal text: Fail

Contrast with black10.49:1WCAG normal text: AAA

Greyscale equivalent#ACACAC

Inverted#045AF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C2AB00no red cones; affects about 1% of men; ΔE 28.9 from the original

Deuteranopia#D7BF16no green cones; the most common form, about 1% of men; ΔE 29.1 from the original

Tritanopia#FF8F8Dno blue cones; rare, and affects men and women equally; ΔE 60.6 from the original

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

Contrast with white, large text2:1WCAG large text: Fail

Contrast with black, large text10.49:1WCAG large text: AAA

Named colours

Orange · ΔE 2.4 Dark orange · ΔE 15.4 Goldenrod · ΔE 16.6 Dark goldenrod · ΔE 24.4 Gold · ΔE 29 Sandy brown · ΔE 30.4

Nearest named CSS colourOrange (#FFA500)ΔE 2.44, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B61FB

Analogous#FB2D0B, #D9FB0B

Triadic#0BFBA5, #A50BFB

Split complementary#0BD9FB, #2D0BFB

Tetradic#0BFB2D, #0B61FB, #FB0BD9

Tints, shades & saturation

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

Lighter +40%#FEEFD4

Lighter +30%#FDDDA2

Lighter +20%#FDCA6F

Lighter +10%#FCB83D

Darker −10%#D08603

Darker −20%#9D6603

Darker −30%#6B4502

Darker −40%#392501

More saturated +25%#FFA607

Less saturated −25%#DC9C2A

Channel breakdown

R251

G165

B11

Red251 (98.4%)

Green165 (64.7%)

Blue11 (4.3%)

Hue38.5°

Saturation (HSL)96.77%

Lightness51.37%

Dominant channelRed

Hex per channelR FB · G A5 · B 0B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FBa50B (chemical formula)

Formula
6,896.308 g/mol
52 atoms

FBa50B has a molar mass of 6,896.308 g/mol, made up of 52 atoms across 3 elements: 1 × F, 50 × Ba, 1 × B.

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Molar mass

Molar mass6,896.308 g/mol

Total atoms per molecule52

Distinct elements3

Mass of one molecule1.1451589 × 10^-20 g

Molecules per gram8.7324127 × 10^19

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

F0.3%

Ba99.6%

B0.2%

Fluorine (F)18.998 g/mol, 0.275%

Barium (Ba × 50)6,866.5 g/mol, 99.568%

Boron (B)10.81 g/mol, 0.157%

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Elements in this formula

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