Recognised as Colour

#C1903F

#C1903F
Orange
Dark
Nearest: Peru

#C1903F is a orange with RGB values 193, 144, 63 and HSL 37°, 51%, 50%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Peru.

Colour values

#C1903F#C1903F

HEX#C1903F

RGBrgb(193, 144, 63)

RGB (0–1)0.7569, 0.5647, 0.2471

RGB percentages75.7%, 56.5%, 24.7%

HSLhsl(37.4, 51.2%, 50.2%)

HSV / HSBhsv(37.4, 67.4%, 75.7%)

CMYK0%, 25.4%, 67.4%, 24.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,685,375

CSS custom property--colour: #C1903F;

Brightness & contrast

Relative luminance0.31643WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.33:1

Contrast with white2.87:1WCAG normal text: Fail

Contrast with black7.33:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#3E6FC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A39136no red cones; affects about 1% of men; ΔE 14.6 from the original

Deuteranopia#AE9D42no green cones; the most common form, about 1% of men; ΔE 15.3 from the original

Tritanopia#D1837Fno blue cones; rare, and affects men and women equally; ΔE 39.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.87:1WCAG large text: Fail

Contrast with black, large text7.33:1WCAG large text: AAA

Named colours

Peru · ΔE 11.3 Dark goldenrod · ΔE 14.3 Sandy brown · ΔE 17 Goldenrod · ΔE 21.4 Dark khaki · ΔE 23.7 Burlywood · ΔE 23.7

Nearest named CSS colourPeru (#CD853F)ΔE 11.3, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3F70C1

Analogous#C14F3F, #B1C13F

Triadic#3FC190, #903FC1

Split complementary#3FB1C1, #4F3FC1

Tetradic#3FC14F, #3F70C1, #C13FB1

Tints, shades & saturation

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

Lighter +40%#F3E9D9

Lighter +30%#E6D3B3

Lighter +20%#DABD8C

Lighter +10%#CDA666

Darker −10%#9B7332

Darker −20%#745726

Darker −30%#4E3A19

Darker −40%#271D0D

More saturated +25%#E1981F

Less saturated −25%#A1885F

Channel breakdown

R193

G144

B63

Red193 (75.7%)

Green144 (56.5%)

Blue63 (24.7%)

Hue37.38°

Saturation (HSL)51.18%

Lightness50.2%

Dominant channelRed

Hex per channelR C1 · G 90 · B 3F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C1903F (chemical formula)

Formula
22,875.931 g/mol
1904 atoms

C1903F has a molar mass of 22,875.931 g/mol, made up of 1904 atoms across 2 elements: 1903 × C, 1 × F.

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Molar mass

Molar mass22,875.931 g/mol

Total atoms per molecule1904

Distinct elements2

Mass of one molecule3.7986377 × 10^-20 g

Molecules per gram2.6325227 × 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

C99.9%

F0.1%

Carbon (C × 1903)22,856.933 g/mol, 99.917%

Fluorine (F)18.998 g/mol, 0.083%

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