Recognised as Colour

#B54900

#B54900
Orange
Dark
Nearest: Chocolate

#B54900 is a orange with RGB values 181, 73, 0 and HSL 24°, 100%, 35%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#B54900#B54900

HEX#B54900

RGBrgb(181, 73, 0)

RGB (0–1)0.7098, 0.2863, 0

RGB percentages71%, 28.6%, 0%

HSLhsl(24.2, 100%, 35.5%)

HSV / HSBhsv(24.2, 100%, 71%)

CMYK0%, 59.7%, 100%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,880,704

CSS custom property--colour: #B54900;

Brightness & contrast

Relative luminance0.14589WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.36:1

Contrast with white5.36:1WCAG normal text: AA

Contrast with black3.92:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#4AB6FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#695B00no red cones; affects about 1% of men; ΔE 45.7 from the original

Deuteranopia#837400no green cones; the most common form, about 1% of men; ΔE 46.2 from the original

Tritanopia#C82D3Eno blue cones; rare, and affects men and women equally; ΔE 32.7 from the original

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

Contrast with white, large text5.36:1WCAG large text: AAA

Contrast with black, large text3.92:1WCAG large text: AA

Named colours

Chocolate · ΔE 11.7 Saddle brown · ΔE 22 Sienna · ΔE 23.1 Firebrick · ΔE 23.9 Coral · ΔE 24 Dark red · ΔE 24.2

Nearest named CSS colourChocolate (#D2691E)ΔE 11.73, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#006CB5

Analogous#B50011, #B5A300

Triadic#00B549, #4900B5

Split complementary#00B5A3, #0012B5

Tetradic#12B500, #006CB5, #A400B5

Tints, shades & saturation

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

Lighter +40%#FFB482

Lighter +30%#FF964F

Lighter +20%#FF781C

Lighter +10%#E85E00

Darker −10%#823400

Darker −20%#4F2000

Darker −30%#1C0B00

Darker −40%#000000

More saturated +25%#B54900

Less saturated −25%#9E4D17

Channel breakdown

R181

G73

Red181 (71%)

Green73 (28.6%)

Blue0 (0%)

Hue24.2°

Saturation (HSL)100%

Lightness35.49%

Dominant channelRed

Hex per channelR B5 · G 49 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B54900 (chemical formula)

Formula
593,469 g/mol
54900 atoms

B54900 has a molar mass of 593,469 g/mol, made up of 54900 atoms across 1 element: 54900 × B.

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Molar mass

Molar mass593,469 g/mol

Total atoms per molecule54900

Distinct elements1

Mass of one molecule9.8547846 × 10^-19 g

Molecules per gram1.0147355 × 10^18

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 × 54900)593,469 g/mol, 100%

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Elements in this formula

Boron

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