Recognised as Colour

#CF910B

#CF910B
Orange
Dark
Nearest: Goldenrod

#CF910B is a orange with RGB values 207, 145, 11 and HSL 41°, 90%, 43%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#CF910B#CF910B

HEX#CF910B

RGBrgb(207, 145, 11)

RGB (0–1)0.8118, 0.5686, 0.0431

RGB percentages81.2%, 56.9%, 4.3%

HSLhsl(41, 89.9%, 42.7%)

HSV / HSBhsv(41, 94.7%, 81.2%)

CMYK0%, 30%, 94.7%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,603,083

CSS custom property--colour: #CF910B;

Brightness & contrast

Relative luminance0.3354WCAG 2.x, 0 is black and 1 is white

Perceived brightness158.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.71:1

Contrast with white2.72:1WCAG normal text: Fail

Contrast with black7.71:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#306EF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89400no red cones; affects about 1% of men; ΔE 19.8 from the original

Deuteranopia#B7A316no green cones; the most common form, about 1% of men; ΔE 20.4 from the original

Tritanopia#E2807Bno blue cones; rare, and affects men and women equally; ΔE 53.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.72:1WCAG large text: Fail

Contrast with black, large text7.71:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 8.4 Dark goldenrod · ΔE 8.5 Orange · ΔE 18.1 Peru · ΔE 21.4 Dark orange · ΔE 24.5 Sandy brown · ΔE 24.7

Nearest named CSS colourGoldenrod (#DAA520)ΔE 8.4, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B49CF

Analogous#CF2F0B, #ABCF0B

Triadic#0BCF91, #910BCF

Split complementary#0BABCF, #2F0BCF

Tetradic#0BCF2F, #0B49CF, #CF0BAB

Tints, shades & saturation

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

Lighter +40%#FBE2AB

Lighter +30%#F8D07B

Lighter +20%#F5BF4B

Lighter +10%#F3AE1A

Darker −10%#9F6F08

Darker −20%#6E4D06

Darker −30%#3E2B03

Darker −40%#0D0901

More saturated +25%#DA9500

Less saturated −25%#B48726

Channel breakdown

R207

G145

B11

Red207 (81.2%)

Green145 (56.9%)

Blue11 (4.3%)

Hue41.02°

Saturation (HSL)89.91%

Lightness42.75%

Dominant channelRed

Hex per channelR CF · G 91 · B 0B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CF910B (chemical formula)

Formula
17,311.001 g/mol
912 atoms

CF910B has a molar mass of 17,311.001 g/mol, made up of 912 atoms across 3 elements: 1 × C, 910 × F, 1 × B.

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Molar mass

Molar mass17,311.001 g/mol

Total atoms per molecule912

Distinct elements3

Mass of one molecule2.8745593 × 10^-20 g

Molecules per gram3.4787941 × 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

C0.1%

F99.9%

B0.1%

Carbon (C)12.011 g/mol, 0.069%

Fluorine (F × 910)17,288.18 g/mol, 99.868%

Boron (B)10.81 g/mol, 0.062%

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Elements in this formula

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