Recognised as Colour

#C18722

#C18722
Orange
Dark
Nearest: Dark goldenrod

#C18722 is a orange with RGB values 193, 135, 34 and HSL 38°, 70%, 45%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#C18722#C18722

HEX#C18722

RGBrgb(193, 135, 34)

RGB (0–1)0.7569, 0.5294, 0.1333

RGB percentages75.7%, 52.9%, 13.3%

HSLhsl(38.1, 70%, 44.5%)

HSV / HSBhsv(38.1, 82.4%, 75.7%)

CMYK0%, 30.1%, 82.4%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,683,042

CSS custom property--colour: #C18722;

Brightness & contrast

Relative luminance0.28781WCAG 2.x, 0 is black and 1 is white

Perceived brightness148.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.76:1

Contrast with white3.11:1WCAG normal text: Fail

Contrast with black6.76:1WCAG normal text: AA

Greyscale equivalent#8C8C8C

Inverted#3E78DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9C8A0Ano red cones; affects about 1% of men; ΔE 19.4 from the original

Deuteranopia#AA9826no green cones; the most common form, about 1% of men; ΔE 19.6 from the original

Tritanopia#D37774no blue cones; rare, and affects men and women equally; ΔE 46.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.11:1WCAG large text: AA

Contrast with black, large text6.76:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 6 Peru · ΔE 13 Goldenrod · ΔE 15.5 Sandy brown · ΔE 19.9 Chocolate · ΔE 23.7 Orange · ΔE 27

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 6.05, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#225CC1

Analogous#C13722, #ABC122

Triadic#22C187, #8722C1

Split complementary#22ABC1, #3822C1

Tetradic#22C138, #225CC1, #C122AB

Tints, shades & saturation

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

Lighter +40%#F3DFBC

Lighter +30%#ECCA90

Lighter +20%#E4B665

Lighter +10%#DCA13A

Darker −10%#96691A

Darker −20%#6A4A13

Darker −30%#3F2C0B

Darker −40%#140E03

More saturated +25%#DD8F06

Less saturated −25%#A57F3E

Channel breakdown

R193

G135

B34

Red193 (75.7%)

Green135 (52.9%)

Blue34 (13.3%)

Hue38.11°

Saturation (HSL)70.04%

Lightness44.51%

Dominant channelRed

Hex per channelR C1 · G 87 · B 22

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C18722 (chemical formula)

Formula
224,869.942 g/mol
18722 atoms

C18722 has a molar mass of 224,869.942 g/mol, made up of 18722 atoms across 1 element: 18722 × C.

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Molar mass

Molar mass224,869.942 g/mol

Total atoms per molecule18722

Distinct elements1

Mass of one molecule3.7340532 × 10^-19 g

Molecules per gram2.678055 × 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

C100%

Carbon (C × 18722)224,869.942 g/mol, 100%

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Elements in this formula

Carbon

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