Recognised as Colour

#BA4209

#BA4209
Orange
Dark
Nearest: Chocolate

#BA4209 is a orange with RGB values 186, 66, 9 and HSL 19°, 91%, 38%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#BA4209#BA4209

HEX#BA4209

RGBrgb(186, 66, 9)

RGB (0–1)0.7294, 0.2588, 0.0353

RGB percentages72.9%, 25.9%, 3.5%

HSLhsl(19.3, 90.8%, 38.2%)

HSV / HSBhsv(19.3, 95.2%, 72.9%)

CMYK0%, 64.5%, 95.2%, 27.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,206,601

CSS custom property--colour: #BA4209;

Brightness & contrast

Relative luminance0.14355WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.42:1

Contrast with white5.42:1WCAG normal text: AA

Contrast with black3.87:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#45BDF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665900no red cones; affects about 1% of men; ΔE 50.9 from the original

Deuteranopia#837400no green cones; the most common form, about 1% of men; ΔE 51.4 from the original

Tritanopia#CD1D39no blue cones; rare, and affects men and women equally; ΔE 28.9 from the original

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

Contrast with white, large text5.42:1WCAG large text: AAA

Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Chocolate · ΔE 15 Firebrick · ΔE 19.1 Dark red · ΔE 21 Tomato · ΔE 22 Coral · ΔE 23.3 Brown · ΔE 24

Nearest named CSS colourChocolate (#D2691E)ΔE 15, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0981BA

Analogous#BA0928, #BA9B09

Triadic#09BA42, #4209BA

Split complementary#09BA9B, #0928BA

Tetradic#28BA09, #0981BA, #9B09BA

Tints, shades & saturation

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

Lighter +40%#FAB695

Lighter +30%#F89464

Lighter +20%#F57234

Lighter +10%#EB530B

Darker −10%#893107

Darker −20%#591F04

Darker −30%#280E02

Darker −40%#000000

More saturated +25%#C33F00

Less saturated −25%#A24B21

Channel breakdown

R186

G66

Red186 (72.9%)

Green66 (25.9%)

Blue9 (3.5%)

Hue19.32°

Saturation (HSL)90.77%

Lightness38.24%

Dominant channelRed

Hex per channelR BA · G 42 · B 09

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ba4209 (chemical formula)

Formula
578,021.97 g/mol
4209 atoms

Ba4209 has a molar mass of 578,021.97 g/mol, made up of 4209 atoms across 1 element: 4209 × Ba.

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Molar mass

Molar mass578,021.97 g/mol

Total atoms per molecule4209

Distinct elements1

Mass of one molecule9.5982806 × 10^-19 g

Molecules per gram1.0418533 × 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%

Barium (Ba × 4209)578,021.97 g/mol, 100%

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Elements in this formula

Barium

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