Colour

#B26337

#B26337
Orange
Dark
Nearest: Sienna

#B26337 is a orange with RGB values 178, 99, 55 and HSL 21°, 53%, 46%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B26337#B26337

HEX#B26337

RGBrgb(178, 99, 55)

RGB (0–1)0.698, 0.3882, 0.2157

RGB percentages69.8%, 38.8%, 21.6%

HSLhsl(21.5, 52.8%, 45.7%)

HSV / HSBhsv(21.5, 69.1%, 69.8%)

CMYK0%, 44.4%, 69.1%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,690,807

CSS custom property--colour: #B26337;

Brightness & contrast

Relative luminance0.18664WCAG 2.x, 0 is black and 1 is white

Perceived brightness124.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.73:1

Contrast with white4.44:1WCAG normal text: Fail

Contrast with black4.73:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#4D9CC8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#796D32no red cones; affects about 1% of men; ΔE 32.1 from the original

Deuteranopia#8C7E36no green cones; the most common form, about 1% of men; ΔE 32.3 from the original

Tritanopia#C25359no blue cones; rare, and affects men and women equally; ΔE 25.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.44:1WCAG large text: AA

Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Sienna · ΔE 7.1 Saddle brown · ΔE 13.2 Peru · ΔE 16.4 Chocolate · ΔE 21.3 Dark salmon · ΔE 22.2 Indian red · ΔE 23.5

Nearest named CSS colourSienna (#A0522D)ΔE 7.12, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3786B2

Analogous#B23749, #B2A137

Triadic#37B263, #6337B2

Split complementary#37B2A1, #3748B2

Tetradic#48B237, #3786B2, #A137B2

Tints, shades & saturation

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

Lighter +40%#EED5C7

Lighter +30%#E2B8A0

Lighter +20%#D69A79

Lighter +10%#CA7D52

Darker −10%#8B4D2B

Darker −20%#64381F

Darker −30%#3D2213

Darker −40%#160C07

More saturated +25%#CF5B1A

Less saturated −25%#956B54

Channel breakdown

R178

G99

B55

Red178 (69.8%)

Green99 (38.8%)

Blue55 (21.6%)

Hue21.46°

Saturation (HSL)52.79%

Lightness45.69%

Dominant channelRed

Hex per channelR B2 · G 63 · B 37

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B26337 (chemical formula)

Formula
284,702.97 g/mol
26337 atoms

B26337 has a molar mass of 284,702.97 g/mol, made up of 26337 atoms across 1 element: 26337 × B.

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Molar mass

Molar mass284,702.97 g/mol

Total atoms per molecule26337

Distinct elements1

Mass of one molecule4.727604 × 10^-19 g

Molecules per gram2.1152364 × 10^18

Composition by mass

B100%

Boron (B × 26337)284,702.97 g/mol, 100%

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Elements in this formula

Boron

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