Recognised as Colour

#BB5403

#BB5403
Orange
Dark
Nearest: Chocolate

#BB5403 is a orange with RGB values 187, 84, 3 and HSL 26°, 97%, 37%. 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

#BB5403#BB5403

HEX#BB5403

RGBrgb(187, 84, 3)

RGB (0–1)0.7333, 0.3294, 0.0118

RGB percentages73.3%, 32.9%, 1.2%

HSLhsl(26.4, 96.8%, 37.3%)

HSV / HSBhsv(26.4, 98.4%, 73.3%)

CMYK0%, 55.1%, 98.4%, 26.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,276,739

CSS custom property--colour: #BB5403;

Brightness & contrast

Relative luminance0.16912WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.79:1

Contrast with white4.79:1WCAG normal text: AA

Contrast with black4.38:1WCAG normal text: Fail

Greyscale equivalent#646464

Inverted#44ABFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#726400no red cones; affects about 1% of men; ΔE 43.2 from the original

Deuteranopia#8B7B00no green cones; the most common form, about 1% of men; ΔE 43.3 from the original

Tritanopia#CE3B48no blue cones; rare, and affects men and women equally; ΔE 36 from the original

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

Contrast with white, large text4.79:1WCAG large text: AAA

Contrast with black, large text4.38:1WCAG large text: AA

Named colours

Chocolate · ΔE 7.9 Saddle brown · ΔE 22.5 Coral · ΔE 22.5 Peru · ΔE 23.4 Sienna · ΔE 23.5 Tomato · ΔE 26.4

Nearest named CSS colourChocolate (#D2691E)ΔE 7.91, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#036ABB

Analogous#BB030E, #BBB003

Triadic#03BB54, #5403BB

Split complementary#03BBB0, #030EBB

Tetradic#0EBB03, #036ABB, #B003BB

Tints, shades & saturation

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

Lighter +40%#FDBE8D

Lighter +30%#FCA25B

Lighter +20%#FC8528

Lighter +10%#ED6B04

Darker −10%#893D02

Darker −20%#572701

Darker −30%#241001

Darker −40%#000000

More saturated +25%#BE5400

Less saturated −25%#A3571B

Channel breakdown

R187

G84

Red187 (73.3%)

Green84 (32.9%)

Blue3 (1.2%)

Hue26.41°

Saturation (HSL)96.84%

Lightness37.25%

Dominant channelRed

Hex per channelR BB · G 54 · B 03

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BB5403 (chemical formula)

Formula
58,417.24 g/mol
5404 atoms

BB5403 has a molar mass of 58,417.24 g/mol, made up of 5404 atoms across 1 element: 5404 × B.

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Molar mass

Molar mass58,417.24 g/mol

Total atoms per molecule5404

Distinct elements1

Mass of one molecule9.7004109 × 10^-20 g

Molecules per gram1.0308842 × 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 × 5404)58,417.24 g/mol, 100%

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Elements in this formula

Boron

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