Recognised as Colour

#CF9933

#CF9933
Orange
Dark
Nearest: Dark goldenrod

#CF9933 is a orange with RGB values 207, 153, 51 and HSL 39°, 62%, 51%. It is a dark colour, so black text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#CF9933#CF9933

HEX#CF9933

RGBrgb(207, 153, 51)

RGB (0–1)0.8118, 0.6, 0.2

RGB percentages81.2%, 60%, 20%

HSLhsl(39.2, 61.9%, 50.6%)

HSV / HSBhsv(39.2, 75.4%, 81.2%)

CMYK0%, 26.1%, 75.4%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,605,171

CSS custom property--colour: #CF9933;

Brightness & contrast

Relative luminance0.36287WCAG 2.x, 0 is black and 1 is white

Perceived brightness163.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.26:1

Contrast with white2.54:1WCAG normal text: Fail

Contrast with black8.26:1WCAG normal text: AAA

Greyscale equivalent#9D9D9D

Inverted#3066CC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#AE9A23no red cones; affects about 1% of men; ΔE 16.2 from the original

Deuteranopia#BBA837no green cones; the most common form, about 1% of men; ΔE 16.7 from the original

Tritanopia#E18A85no blue cones; rare, and affects men and women equally; ΔE 46.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.54:1WCAG large text: Fail

Contrast with black, large text8.26:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 8.7 Goldenrod · ΔE 11.4 Peru · ΔE 15.7 Sandy brown · ΔE 18.3 Orange · ΔE 25.7 Olive · ΔE 28.1

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 8.74, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3369CF

Analogous#CF4B33, #B7CF33

Triadic#33CF99, #9933CF

Split complementary#33B7CF, #4B33CF

Tetradic#33CF4B, #3369CF, #CF33B7

Tints, shades & saturation

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

Lighter +40%#F6ECD8

Lighter +30%#ECD7AF

Lighter +20%#E2C286

Lighter +10%#D9AE5C

Darker −10%#A87B27

Darker −20%#7E5D1E

Darker −30%#553E14

Darker −40%#2C200A

More saturated +25%#EFA314

Less saturated −25%#B08F52

Channel breakdown

R207

G153

B51

Red207 (81.2%)

Green153 (60%)

Blue51 (20%)

Hue39.23°

Saturation (HSL)61.9%

Lightness50.59%

Dominant channelRed

Hex per channelR CF · G 99 · B 33

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF9933 (chemical formula)

Formula
188,719.145 g/mol
9934 atoms

CF9933 has a molar mass of 188,719.145 g/mol, made up of 9934 atoms across 2 elements: 1 × C, 9933 × F.

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Molar mass

Molar mass188,719.145 g/mol

Total atoms per molecule9934

Distinct elements2

Mass of one molecule3.1337551 × 10^-19 g

Molecules per gram3.1910598 × 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

C0%

F100%

Carbon (C)12.011 g/mol, 0.006%

Fluorine (F × 9933)188,707.134 g/mol, 99.994%

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Elements in this formula

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