Recognised as Colour

#BA511B

#BA511B
Orange
Dark
Nearest: Chocolate

#BA511B is a orange with RGB values 186, 81, 27 and HSL 20°, 75%, 42%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#BA511B#BA511B

HEX#BA511B

RGBrgb(186, 81, 27)

RGB (0–1)0.7294, 0.3176, 0.1059

RGB percentages72.9%, 31.8%, 10.6%

HSLhsl(20.4, 74.6%, 41.8%)

HSV / HSBhsv(20.4, 85.5%, 72.9%)

CMYK0%, 56.5%, 85.5%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,210,459

CSS custom property--colour: #BA511B;

Brightness & contrast

Relative luminance0.16403WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.91:1

Contrast with white4.91:1WCAG normal text: AA

Contrast with black4.28:1WCAG normal text: Fail

Greyscale equivalent#636363

Inverted#45AEE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F6211no red cones; affects about 1% of men; ΔE 44.2 from the original

Deuteranopia#897A17no green cones; the most common form, about 1% of men; ΔE 44.7 from the original

Tritanopia#CD3847no blue cones; rare, and affects men and women equally; ΔE 29.6 from the original

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

Contrast with white, large text4.91:1WCAG large text: AAA

Contrast with black, large text4.28:1WCAG large text: AA

Named colours

Chocolate · ΔE 11.6 Sienna · ΔE 17.5 Saddle brown · ΔE 18.5 Coral · ΔE 20.7 Firebrick · ΔE 21.7 Peru · ΔE 23.2

Nearest named CSS colourChocolate (#D2691E)ΔE 11.59, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1B84BA

Analogous#BA1B34, #BAA11B

Triadic#1BBA51, #511BBA

Split complementary#1BBAA1, #1B34BA

Tetradic#34BA1B, #1B84BA, #A11BBA

Tints, shades & saturation

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

Lighter +40%#F3C5AE

Lighter +30%#EDA681

Lighter +20%#E68655

Lighter +10%#E06728

Darker −10%#8D3E15

Darker −20%#612A0E

Darker −30%#341708

Darker −40%#080301

More saturated +25%#D54800

Less saturated −25%#9F5A36

Channel breakdown

R186

G81

B27

Red186 (72.9%)

Green81 (31.8%)

Blue27 (10.6%)

Hue20.38°

Saturation (HSL)74.65%

Lightness41.76%

Dominant channelRed

Hex per channelR BA · G 51 · B 1B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ba511B (chemical formula)

Formula
70,186.44 g/mol
512 atoms

Ba511B has a molar mass of 70,186.44 g/mol, made up of 512 atoms across 2 elements: 511 × Ba, 1 × B.

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Molar mass

Molar mass70,186.44 g/mol

Total atoms per molecule512

Distinct elements2

Mass of one molecule1.1654733 × 10^-19 g

Molecules per gram8.5802055 × 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

Ba100%

B0%

Barium (Ba × 511)70,175.63 g/mol, 99.985%

Boron (B)10.81 g/mol, 0.015%

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