Recognised as Colour

#B55534

#B55534
Orange
Dark
Nearest: Sienna

#B55534 is a orange with RGB values 181, 85, 52 and HSL 15°, 55%, 46%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B55534#B55534

HEX#B55534

RGBrgb(181, 85, 52)

RGB (0–1)0.7098, 0.3333, 0.2039

RGB percentages71%, 33.3%, 20.4%

HSLhsl(15.3, 55.4%, 45.7%)

HSV / HSBhsv(15.3, 71.3%, 71%)

CMYK0%, 53%, 71.3%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,883,828

CSS custom property--colour: #B55534;

Brightness & contrast

Relative luminance0.16569WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.31:1WCAG normal text: Fail

Greyscale equivalent#676767

Inverted#4AAACB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6430no red cones; affects about 1% of men; ΔE 40.5 from the original

Deuteranopia#867932no green cones; the most common form, about 1% of men; ΔE 41.1 from the original

Tritanopia#C6414Eno blue cones; rare, and affects men and women equally; ΔE 22.5 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.31:1WCAG large text: AA

Named colours

Sienna · ΔE 8.4 Saddle brown · ΔE 14.9 Brown · ΔE 17.8 Indian red · ΔE 18 Firebrick · ΔE 21.1 Chocolate · ΔE 21.3

Nearest named CSS colourSienna (#A0522D)ΔE 8.4, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3494B5

Analogous#B53454, #B59534

Triadic#34B555, #5534B5

Split complementary#34B596, #3453B5

Tetradic#54B534, #3494B5, #9534B5

Tints, shades & saturation

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

Lighter +40%#EFD1C6

Lighter +30%#E3B09F

Lighter +20%#D89077

Lighter +10%#CD6F4F

Darker −10%#8D4229

Darker −20%#66301D

Darker −30%#3E1D12

Darker −40%#170B06

More saturated +25%#D24717

Less saturated −25%#986351

Channel breakdown

R181

G85

B52

Red181 (71%)

Green85 (33.3%)

Blue52 (20.4%)

Hue15.35°

Saturation (HSL)55.36%

Lightness45.69%

Dominant channelRed

Hex per channelR B5 · G 55 · B 34

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

B55534 (chemical formula)

Formula
600,322.54 g/mol
55534 atoms

B55534 has a molar mass of 600,322.54 g/mol, made up of 55534 atoms across 1 element: 55534 × B.

Open this reading on its own page →

Molar mass

Molar mass600,322.54 g/mol

Total atoms per molecule55534

Distinct elements1

Mass of one molecule9.9685903 × 10^-19 g

Molecules per gram1.0031509 × 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 × 55534)600,322.54 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Boron

Nerdulate something else

Nothing in mind? Surprise me · today’s page