Recognised as Colour

#BB5218

#BB5218
Orange
Dark
Nearest: Chocolate

#BB5218 is a orange with RGB values 187, 82, 24 and HSL 21°, 77%, 41%. 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

#BB5218#BB5218

HEX#BB5218

RGBrgb(187, 82, 24)

RGB (0–1)0.7333, 0.3216, 0.0941

RGB percentages73.3%, 32.2%, 9.4%

HSLhsl(21.3, 77.3%, 41.4%)

HSV / HSBhsv(21.3, 87.2%, 73.3%)

CMYK0%, 56.1%, 87.2%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,276,248

CSS custom property--colour: #BB5218;

Brightness & contrast

Relative luminance0.16665WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.85:1

Contrast with white4.85:1WCAG normal text: AA

Contrast with black4.33:1WCAG normal text: Fail

Greyscale equivalent#646464

Inverted#44ADE7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#70630Cno red cones; affects about 1% of men; ΔE 44.2 from the original

Deuteranopia#8A7B13no green cones; the most common form, about 1% of men; ΔE 44.7 from the original

Tritanopia#CE3947no blue cones; rare, and affects men and women equally; ΔE 30.5 from the original

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

Contrast with white, large text4.85:1WCAG large text: AAA

Contrast with black, large text4.33:1WCAG large text: AA

Named colours

Chocolate · ΔE 10.4 Sienna · ΔE 18.7 Saddle brown · ΔE 19.3 Coral · ΔE 20.6 Firebrick · ΔE 22.8 Peru · ΔE 23

Nearest named CSS colourChocolate (#D2691E)ΔE 10.37, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1881BB

Analogous#BB1830, #BBA318

Triadic#18BB52, #5218BB

Split complementary#18BBA3, #1830BB

Tetradic#30BB18, #1881BB, #A318BB

Tints, shades & saturation

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

Lighter +40%#F4C5AB

Lighter +30%#EEA67E

Lighter +20%#E98750

Lighter +10%#E36723

Darker −10%#8E3E12

Darker −20%#612A0C

Darker −30%#331707

Darker −40%#060301

More saturated +25%#D34B00

Less saturated −25%#A15A32

Channel breakdown

R187

G82

B24

Red187 (73.3%)

Green82 (32.2%)

Blue24 (9.4%)

Hue21.35°

Saturation (HSL)77.25%

Lightness41.37%

Dominant channelRed

Hex per channelR BB · G 52 · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB5218 (chemical formula)

Formula
56,417.39 g/mol
5219 atoms

BB5218 has a molar mass of 56,417.39 g/mol, made up of 5219 atoms across 1 element: 5219 × B.

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Molar mass

Molar mass56,417.39 g/mol

Total atoms per molecule5219

Distinct elements1

Mass of one molecule9.368328 × 10^-20 g

Molecules per gram1.0674263 × 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 × 5219)56,417.39 g/mol, 100%

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Elements in this formula

Boron

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