Recognised as Colour

#B74823

#B74823
Orange
Dark
Nearest: Firebrick

#B74823 is a orange with RGB values 183, 72, 35 and HSL 15°, 68%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B74823#B74823

HEX#B74823

RGBrgb(183, 72, 35)

RGB (0–1)0.7176, 0.2824, 0.1373

RGB percentages71.8%, 28.2%, 13.7%

HSLhsl(15, 67.9%, 42.7%)

HSV / HSBhsv(15, 80.9%, 71.8%)

CMYK0%, 60.7%, 80.9%, 28.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,011,555

CSS custom property--colour: #B74823;

Brightness & contrast

Relative luminance0.14823WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.3:1

Contrast with white5.3:1WCAG normal text: AA

Contrast with black3.96:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#48B7DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#675C1Eno red cones; affects about 1% of men; ΔE 47.7 from the original

Deuteranopia#83751Fno green cones; the most common form, about 1% of men; ΔE 47.8 from the original

Tritanopia#C92C41no blue cones; rare, and affects men and women equally; ΔE 24.2 from the original

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

Contrast with white, large text5.3:1WCAG large text: AAA

Contrast with black, large text3.96:1WCAG large text: AA

Named colours

Firebrick · ΔE 15.5 Sienna · ΔE 16 Brown · ΔE 16.6 Chocolate · ΔE 17.9 Saddle brown · ΔE 18.6 Dark red · ΔE 19.2

Nearest named CSS colourFirebrick (#B22222)ΔE 15.49, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2392B7

Analogous#B72348, #B79223

Triadic#23B748, #4823B7

Split complementary#23B792, #2348B7

Tetradic#48B723, #2392B7, #9223B7

Tints, shades & saturation

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

Lighter +40%#F1C4B5

Lighter +30%#E9A28A

Lighter +20%#E08060

Lighter +10%#D85E35

Darker −10%#8C371B

Darker −20%#612613

Darker −30%#37150A

Darker −40%#0C0502

More saturated +25%#D23A08

Less saturated −25%#9C563E

Channel breakdown

R183

G72

B35

Red183 (71.8%)

Green72 (28.2%)

Blue35 (13.7%)

Hue15°

Saturation (HSL)67.89%

Lightness42.75%

Dominant channelRed

Hex per channelR B7 · G 48 · B 23

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B74823 (chemical formula)

Formula
808,836.63 g/mol
74823 atoms

B74823 has a molar mass of 808,836.63 g/mol, made up of 74823 atoms across 1 element: 74823 × B.

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Molar mass

Molar mass808,836.63 g/mol

Total atoms per molecule74823

Distinct elements1

Mass of one molecule1.3431048 × 10^-18 g

Molecules per gram7.4454353 × 10^17

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 × 74823)808,836.63 g/mol, 100%

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Elements in this formula

Boron

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