Recognised as Colour

#BC3900

#BC3900
Orange
Dark
Nearest: Chocolate

#BC3900 is a orange with RGB values 188, 57, 0 and HSL 18°, 100%, 37%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#BC3900#BC3900

HEX#BC3900

RGBrgb(188, 57, 0)

RGB (0–1)0.7373, 0.2235, 0

RGB percentages73.7%, 22.4%, 0%

HSLhsl(18.2, 100%, 36.9%)

HSV / HSBhsv(18.2, 100%, 73.7%)

CMYK0%, 69.7%, 100%, 26.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,335,360

CSS custom property--colour: #BC3900;

Brightness & contrast

Relative luminance0.13618WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.64:1

Contrast with white5.64:1WCAG normal text: AA

Contrast with black3.72:1WCAG normal text: Fail

Greyscale equivalent#515151

Inverted#43C6FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#615500no red cones; affects about 1% of men; ΔE 56.1 from the original

Deuteranopia#817200no green cones; the most common form, about 1% of men; ΔE 55.6 from the original

Tritanopia#D00031no blue cones; rare, and affects men and women equally; ΔE 27.3 from the original

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

Contrast with white, large text5.64:1WCAG large text: AAA

Contrast with black, large text3.72:1WCAG large text: AA

Named colours

Chocolate · ΔE 18.4 Firebrick · ΔE 19.1 Dark red · ΔE 21 Tomato · ΔE 21.8 Maroon · ΔE 25.2 Coral · ΔE 25.5

Nearest named CSS colourChocolate (#D2691E)ΔE 18.41, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0083BC

Analogous#BC0025, #BC9700

Triadic#00BC39, #3900BC

Split complementary#00BC97, #0025BC

Tetradic#25BC00, #0083BC, #9700BC

Tints, shades & saturation

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

Lighter +40%#FFAD89

Lighter +30%#FF8956

Lighter +20%#FF6623

Lighter +10%#EF4800

Darker −10%#892A00

Darker −20%#561A00

Darker −30%#230B00

Darker −40%#000000

More saturated +25%#BC3900

Less saturated −25%#A54218

Channel breakdown

R188

G57

Red188 (73.7%)

Green57 (22.4%)

Blue0 (0%)

Hue18.19°

Saturation (HSL)100%

Lightness36.86%

Dominant channelRed

Hex per channelR BC · G 39 · B 00

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

BC3900 (chemical formula)

Formula
46,853.71 g/mol
3901 atoms

BC3900 has a molar mass of 46,853.71 g/mol, made up of 3901 atoms across 2 elements: 1 × B, 3900 × C.

Open this reading on its own page →

Molar mass

Molar mass46,853.71 g/mol

Total atoms per molecule3901

Distinct elements2

Mass of one molecule7.7802416 × 10^-20 g

Molecules per gram1.2853071 × 10^19

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

B0%

C100%

Boron (B)10.81 g/mol, 0.023%

Carbon (C × 3900)46,842.9 g/mol, 99.977%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page