Recognised as Colour

#B57052

#B57052
Orange
Dark
Nearest: Sienna

#B57052 is a orange with RGB values 181, 112, 82 and HSL 18°, 40%, 52%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B57052#B57052

HEX#B57052

RGBrgb(181, 112, 82)

RGB (0–1)0.7098, 0.4392, 0.3216

RGB percentages71%, 43.9%, 32.2%

HSLhsl(18.2, 40.1%, 51.6%)

HSV / HSBhsv(18.2, 54.7%, 71%)

CMYK0%, 38.1%, 54.7%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,890,770

CSS custom property--colour: #B57052;

Brightness & contrast

Relative luminance0.22021WCAG 2.x, 0 is black and 1 is white

Perceived brightness133.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.4:1

Contrast with white3.89:1WCAG normal text: Fail

Contrast with black5.4:1WCAG normal text: AA

Greyscale equivalent#7D7D7D

Inverted#4A8FAD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#82784Fno red cones; affects about 1% of men; ΔE 27.3 from the original

Deuteranopia#938751no green cones; the most common form, about 1% of men; ΔE 27.8 from the original

Tritanopia#C46469no blue cones; rare, and affects men and women equally; ΔE 19.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.89:1WCAG large text: AA

Contrast with black, large text5.4:1WCAG large text: AAA

Named colours

Sienna · ΔE 13.7 Dark salmon · ΔE 16.3 Saddle brown · ΔE 21.1 Peru · ΔE 21.5 Indian red · ΔE 21.5 Light salmon · ΔE 22.8

Nearest named CSS colourSienna (#A0522D)ΔE 13.74, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5297B5

Analogous#B55266, #B5A252

Triadic#52B570, #7052B5

Split complementary#52B5A2, #5265B5

Tetradic#66B552, #5297B5, #A252B5

Tints, shades & saturation

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

Lighter +40%#F2E6E1

Lighter +30%#E3C9BD

Lighter +20%#D4AB99

Lighter +10%#C48E76

Darker −10%#945940

Darker −20%#714430

Darker −30%#4D2E21

Darker −40%#291912

More saturated +25%#D46433

Less saturated −25%#967C71

Channel breakdown

R181

G112

B82

Red181 (71%)

Green112 (43.9%)

Blue82 (32.2%)

Hue18.18°

Saturation (HSL)40.08%

Lightness51.57%

Dominant channelRed

Hex per channelR B5 · G 70 · B 52

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

B57052 (chemical formula)

Formula
616,732.12 g/mol
57052 atoms

B57052 has a molar mass of 616,732.12 g/mol, made up of 57052 atoms across 1 element: 57052 × B.

Open this reading on its own page →

Molar mass

Molar mass616,732.12 g/mol

Total atoms per molecule57052

Distinct elements1

Mass of one molecule1.0241078 × 10^-18 g

Molecules per gram9.7645972 × 10^17

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 × 57052)616,732.12 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