Recognised as Colour

#B24820

#B24820
Orange
Dark
Nearest: Sienna

#B24820 is a orange with RGB values 178, 72, 32 and HSL 16°, 70%, 41%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Sienna.

Colour values

#B24820#B24820

HEX#B24820

RGBrgb(178, 72, 32)

RGB (0–1)0.698, 0.2824, 0.1255

RGB percentages69.8%, 28.2%, 12.5%

HSLhsl(16.4, 69.5%, 41.2%)

HSV / HSBhsv(16.4, 82%, 69.8%)

CMYK0%, 59.6%, 82%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,683,872

CSS custom property--colour: #B24820;

Brightness & contrast

Relative luminance0.14204WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.47:1

Contrast with white5.47:1WCAG normal text: AA

Contrast with black3.84:1WCAG normal text: Fail

Greyscale equivalent#5C5C5C

Inverted#4DB7DF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665A1Ano red cones; affects about 1% of men; ΔE 45.2 from the original

Deuteranopia#80721Cno green cones; the most common form, about 1% of men; ΔE 45.7 from the original

Tritanopia#C42E40no blue cones; rare, and affects men and women equally; ΔE 24.7 from the original

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

Contrast with white, large text5.47:1WCAG large text: AAA

Contrast with black, large text3.84:1WCAG large text: AA

Named colours

Sienna · ΔE 14.4 Saddle brown · ΔE 16.5 Firebrick · ΔE 17 Brown · ΔE 17.4 Chocolate · ΔE 17.7 Dark red · ΔE 19.4

Nearest named CSS colourSienna (#A0522D)ΔE 14.4, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#208AB2

Analogous#B22041, #B29120

Triadic#20B248, #4820B2

Split complementary#20B291, #2041B2

Tetradic#41B220, #208AB2, #9120B2

Tints, shades & saturation

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

Lighter +40%#F0C0AE

Lighter +30%#E99E82

Lighter +20%#E17D57

Lighter +10%#D95B2C

Darker −10%#873718

Darker −20%#5C2510

Darker −30%#301409

Darker −40%#050201

More saturated +25%#CC3C06

Less saturated −25%#98543A

Channel breakdown

R178

G72

B32

Red178 (69.8%)

Green72 (28.2%)

Blue32 (12.5%)

Hue16.44°

Saturation (HSL)69.52%

Lightness41.18%

Dominant channelRed

Hex per channelR B2 · G 48 · B 20

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B24820 (chemical formula)

Formula
268,304.2 g/mol
24820 atoms

B24820 has a molar mass of 268,304.2 g/mol, made up of 24820 atoms across 1 element: 24820 × B.

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Molar mass

Molar mass268,304.2 g/mol

Total atoms per molecule24820

Distinct elements1

Mass of one molecule4.4552961 × 10^-19 g

Molecules per gram2.2445198 × 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 × 24820)268,304.2 g/mol, 100%

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Elements in this formula

Boron

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