Recognised as Colour

#CF4C10

#CF4C10
Orange
Dark
Nearest: Chocolate

#CF4C10 is a orange with RGB values 207, 76, 16 and HSL 19°, 86%, 44%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CF4C10#CF4C10

HEX#CF4C10

RGBrgb(207, 76, 16)

RGB (0–1)0.8118, 0.298, 0.0627

RGB percentages81.2%, 29.8%, 6.3%

HSLhsl(18.8, 85.7%, 43.7%)

HSV / HSBhsv(18.8, 92.3%, 81.2%)

CMYK0%, 63.3%, 92.3%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,585,424

CSS custom property--colour: #CF4C10;

Brightness & contrast

Relative luminance0.18472WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.69:1

Contrast with white4.47:1WCAG normal text: Fail

Contrast with black4.69:1WCAG normal text: AA

Greyscale equivalent#646464

Inverted#30B3EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#736500no red cones; affects about 1% of men; ΔE 54.6 from the original

Deuteranopia#938202no green cones; the most common form, about 1% of men; ΔE 54.8 from the original

Tritanopia#E42642no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original

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

Contrast with white, large text4.47:1WCAG large text: AA

Contrast with black, large text4.69:1WCAG large text: AAA

Named colours

Chocolate · ΔE 13.8 Tomato · ΔE 17.9 Coral · ΔE 19.9 Firebrick · ΔE 22.8 Orange red · ΔE 23.3 Dark red · ΔE 26.8

Nearest named CSS colourChocolate (#D2691E)ΔE 13.83, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1093CF

Analogous#CF1033, #CFAC10

Triadic#10CF4C, #4C10CF

Split complementary#10CFAC, #1033CF

Tetradic#33CF10, #1093CF, #AC10CF

Tints, shades & saturation

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

Lighter +40%#F9C8B2

Lighter +30%#F5A783

Lighter +20%#F28553

Lighter +10%#EE6324

Darker −10%#A03B0C

Darker −20%#702909

Darker −30%#411805

Darker −40%#120601

More saturated +25%#DF4600

Less saturated −25%#B3562C

Channel breakdown

R207

G76

B16

Red207 (81.2%)

Green76 (29.8%)

Blue16 (6.3%)

Hue18.85°

Saturation (HSL)85.65%

Lightness43.73%

Dominant channelRed

Hex per channelR CF · G 4C · B 10

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF4C10 (chemical formula)

Formula
208.113 g/mol
15 atoms

CF4C10 has a molar mass of 208.113 g/mol, made up of 15 atoms across 2 elements: 11 × C, 4 × F.

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Molar mass

Molar mass208.113 g/mol

Total atoms per molecule15

Distinct elements2

Mass of one molecule3.4557977 × 10^-22 g

Molecules per gram2.8936879 × 10^21

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

C63.5%

F36.5%

Carbon (C × 11)132.121 g/mol, 63.485%

Fluorine (F × 4)75.992 g/mol, 36.515%

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