Recognised as Colour

#B18548

#B18548
Orange
Dark
Nearest: Peru

#B18548 is a orange with RGB values 177, 133, 72 and HSL 35°, 42%, 49%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#B18548#B18548

HEX#B18548

RGBrgb(177, 133, 72)

RGB (0–1)0.6941, 0.5216, 0.2824

RGB percentages69.4%, 52.2%, 28.2%

HSLhsl(34.9, 42.2%, 48.8%)

HSV / HSBhsv(34.9, 59.3%, 69.4%)

CMYK0%, 24.9%, 59.3%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,633,992

CSS custom property--colour: #B18548;

Brightness & contrast

Relative luminance0.2659WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.32:1

Contrast with white3.32:1WCAG normal text: Fail

Contrast with black6.32:1WCAG normal text: AA

Greyscale equivalent#8A8A8A

Inverted#4E7AB7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#958742no red cones; affects about 1% of men; ΔE 14.2 from the original

Deuteranopia#9F914Ano green cones; the most common form, about 1% of men; ΔE 14.4 from the original

Tritanopia#BF7A77no blue cones; rare, and affects men and women equally; ΔE 30.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.32:1WCAG large text: AA

Contrast with black, large text6.32:1WCAG large text: AAA

Named colours

Peru · ΔE 14.9 Burlywood · ΔE 20.7 Sandy brown · ΔE 21.6 Tan · ΔE 22.4 Dark goldenrod · ΔE 23.8 Dark khaki · ΔE 23.9

Nearest named CSS colourPeru (#CD853F)ΔE 14.88, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4874B1

Analogous#B15148, #A8B148

Triadic#48B185, #8548B1

Split complementary#48A8B1, #5148B1

Tetradic#48B151, #4874B1, #B148A8

Tints, shades & saturation

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

Lighter +40%#EFE4D6

Lighter +30%#E0CDB2

Lighter +20%#D1B58E

Lighter +10%#C29D6A

Darker −10%#8D6A39

Darker −20%#684F2B

Darker −30%#44331C

Darker −40%#20180D

More saturated +25%#D08A29

Less saturated −25%#928067

Channel breakdown

R177

G133

B72

Red177 (69.4%)

Green133 (52.2%)

Blue72 (28.2%)

Hue34.86°

Saturation (HSL)42.17%

Lightness48.82%

Dominant channelRed

Hex per channelR B1 · G 85 · B 48

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B18548 (chemical formula)

Formula
200,503.88 g/mol
18548 atoms

B18548 has a molar mass of 200,503.88 g/mol, made up of 18548 atoms across 1 element: 18548 × B.

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Molar mass

Molar mass200,503.88 g/mol

Total atoms per molecule18548

Distinct elements1

Mass of one molecule3.3294453 × 10^-19 g

Molecules per gram3.0035034 × 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 × 18548)200,503.88 g/mol, 100%

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Elements in this formula

Boron

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