Recognised as Colour

#BB5420

#BB5420
Orange
Dark
Nearest: Chocolate

#BB5420 is a orange with RGB values 187, 84, 32 and HSL 20°, 71%, 43%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#BB5420#BB5420

HEX#BB5420

RGBrgb(187, 84, 32)

RGB (0–1)0.7333, 0.3294, 0.1255

RGB percentages73.3%, 32.9%, 12.5%

HSLhsl(20.1, 70.8%, 42.9%)

HSV / HSBhsv(20.1, 82.9%, 73.3%)

CMYK0%, 55.1%, 82.9%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,276,768

CSS custom property--colour: #BB5420;

Brightness & contrast

Relative luminance0.1701WCAG 2.x, 0 is black and 1 is white

Perceived brightness121.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.77:1

Contrast with white4.77:1WCAG normal text: AA

Contrast with black4.4:1WCAG normal text: Fail

Greyscale equivalent#666666

Inverted#44ABDF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#716418no red cones; affects about 1% of men; ΔE 43.2 from the original

Deuteranopia#8A7B1Cno green cones; the most common form, about 1% of men; ΔE 43.6 from the original

Tritanopia#CE3C4Ano blue cones; rare, and affects men and women equally; ΔE 29.1 from the original

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

Contrast with white, large text4.77:1WCAG large text: AAA

Contrast with black, large text4.4:1WCAG large text: AA

Named colours

Chocolate · ΔE 11.8 Sienna · ΔE 16 Saddle brown · ΔE 17.7 Coral · ΔE 20.2 Peru · ΔE 21.9 Firebrick · ΔE 22.1

Nearest named CSS colourChocolate (#D2691E)ΔE 11.84, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2087BB

Analogous#BB203A, #BBA220

Triadic#20BB54, #5420BB

Split complementary#20BBA2, #203ABB

Tetradic#3ABB20, #2087BB, #A120BB

Tints, shades & saturation

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

Lighter +40%#F2C9B5

Lighter +30%#EBAA89

Lighter +20%#E38A5E

Lighter +10%#DC6B32

Darker −10%#8F4019

Darker −20%#642D11

Darker −30%#38190A

Darker −40%#0D0602

More saturated +25%#D64B05

Less saturated −25%#A05D3B

Channel breakdown

R187

G84

B32

Red187 (73.3%)

Green84 (32.9%)

Blue32 (12.5%)

Hue20.13°

Saturation (HSL)70.78%

Lightness42.94%

Dominant channelRed

Hex per channelR BB · G 54 · B 20

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB5420 (chemical formula)

Formula
58,601.01 g/mol
5421 atoms

BB5420 has a molar mass of 58,601.01 g/mol, made up of 5421 atoms across 1 element: 5421 × B.

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Molar mass

Molar mass58,601.01 g/mol

Total atoms per molecule5421

Distinct elements1

Mass of one molecule9.7309266 × 10^-20 g

Molecules per gram1.0276514 × 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

B100%

Boron (B × 5421)58,601.01 g/mol, 100%

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Elements in this formula

Boron

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