Recognised as Colour

#B15736

#B15736
Orange
Dark
Nearest: Sienna

#B15736 is a orange with RGB values 177, 87, 54 and HSL 16°, 53%, 45%. 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

#B15736#B15736

HEX#B15736

RGBrgb(177, 87, 54)

RGB (0–1)0.6941, 0.3412, 0.2118

RGB percentages69.4%, 34.1%, 21.2%

HSLhsl(16.1, 53.2%, 45.3%)

HSV / HSBhsv(16.1, 69.5%, 69.4%)

CMYK0%, 50.8%, 69.5%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,622,198

CSS custom property--colour: #B15736;

Brightness & contrast

Relative luminance0.1643WCAG 2.x, 0 is black and 1 is white

Perceived brightness118.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.9:1

Contrast with white4.9:1WCAG normal text: AA

Contrast with black4.29:1WCAG normal text: Fail

Greyscale equivalent#686868

Inverted#4EA8C9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6533no red cones; affects about 1% of men; ΔE 38.2 from the original

Deuteranopia#857834no green cones; the most common form, about 1% of men; ΔE 38.3 from the original

Tritanopia#C2454Fno blue cones; rare, and affects men and women equally; ΔE 21.7 from the original

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

Contrast with white, large text4.9:1WCAG large text: AAA

Contrast with black, large text4.29:1WCAG large text: AA

Named colours

Sienna · ΔE 6.1 Saddle brown · ΔE 13.7 Indian red · ΔE 18.2 Brown · ΔE 19.2 Peru · ΔE 22.7 Chocolate · ΔE 22.9

Nearest named CSS colourSienna (#A0522D)ΔE 6.06, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3690B1

Analogous#B13652, #B19536

Triadic#36B157, #5736B1

Split complementary#36B195, #3652B1

Tetradic#52B136, #3690B1, #9536B1

Tints, shades & saturation

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

Lighter +40%#EDD0C6

Lighter +30%#E2B09E

Lighter +20%#D69177

Lighter +10%#CA7150

Darker −10%#8A442A

Darker −20%#63311E

Darker −30%#3C1D12

Darker −40%#150A06

More saturated +25%#CE4A19

Less saturated −25%#946453

Channel breakdown

R177

G87

B54

Red177 (69.4%)

Green87 (34.1%)

Blue54 (21.2%)

Hue16.1°

Saturation (HSL)53.25%

Lightness45.29%

Dominant channelRed

Hex per channelR B1 · G 57 · B 36

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B15736 (chemical formula)

Formula
170,106.16 g/mol
15736 atoms

B15736 has a molar mass of 170,106.16 g/mol, made up of 15736 atoms across 1 element: 15736 × B.

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Molar mass

Molar mass170,106.16 g/mol

Total atoms per molecule15736

Distinct elements1

Mass of one molecule2.8246792 × 10^-19 g

Molecules per gram3.540225 × 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 × 15736)170,106.16 g/mol, 100%

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Elements in this formula

Boron

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