Recognised as Colour

#CB8F2F

#CB8F2F
Orange
Dark
Nearest: Dark goldenrod

#CB8F2F is a orange with RGB values 203, 143, 47 and HSL 37°, 62%, 49%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#CB8F2F#CB8F2F

HEX#CB8F2F

RGBrgb(203, 143, 47)

RGB (0–1)0.7961, 0.5608, 0.1843

RGB percentages79.6%, 56.1%, 18.4%

HSLhsl(36.9, 62.4%, 49%)

HSV / HSBhsv(36.9, 76.8%, 79.6%)

CMYK0%, 29.6%, 76.8%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,340,463

CSS custom property--colour: #CB8F2F;

Brightness & contrast

Relative luminance0.32547WCAG 2.x, 0 is black and 1 is white

Perceived brightness156.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.51:1

Contrast with white2.8:1WCAG normal text: Fail

Contrast with black7.51:1WCAG normal text: AAA

Greyscale equivalent#959595

Inverted#3470D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A59220no red cones; affects about 1% of men; ΔE 19.5 from the original

Deuteranopia#B3A032no green cones; the most common form, about 1% of men; ΔE 19.8 from the original

Tritanopia#DD7F7Cno blue cones; rare, and affects men and women equally; ΔE 44.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.8:1WCAG large text: Fail

Contrast with black, large text7.51:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 8.6 Peru · ΔE 11.7 Goldenrod · ΔE 14.9 Sandy brown · ΔE 16.8 Chocolate · ΔE 24 Orange · ΔE 26.5

Nearest named CSS colourDark goldenrod (#B8860B)ΔE 8.61, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F6BCB

Analogous#CB412F, #B9CB2F

Triadic#2FCB8F, #8F2FCB

Split complementary#2FB9CB, #412FCB

Tetradic#2FCB41, #2F6BCB, #CB2FB9

Tints, shades & saturation

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

Lighter +40%#F4E7D2

Lighter +30%#EBD1A8

Lighter +20%#E1BB7F

Lighter +10%#D8A655

Darker −10%#A27225

Darker −20%#78551C

Darker −30%#4F3712

Darker −40%#251A09

More saturated +25%#EA9610

Less saturated −25%#AC884E

Channel breakdown

R203

G143

B47

Red203 (79.6%)

Green143 (56.1%)

Blue47 (18.4%)

Hue36.92°

Saturation (HSL)62.4%

Lightness49.02%

Dominant channelRed

Hex per channelR CB · G 8F · B 2F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB8F2F (chemical formula)

Formula
155.485 g/mol
12 atoms

CB8F2F has a molar mass of 155.485 g/mol, made up of 12 atoms across 3 elements: 1 × C, 8 × B, 3 × F.

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Molar mass

Molar mass155.485 g/mol

Total atoms per molecule12

Distinct elements3

Mass of one molecule2.5818892 × 10^-22 g

Molecules per gram3.8731329 × 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

C7.7%

B55.6%

F36.7%

Carbon (C)12.011 g/mol, 7.725%

Boron (B × 8)86.48 g/mol, 55.62%

Fluorine (F × 3)56.994 g/mol, 36.656%

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Elements in this formula

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