Recognised as Colour

#CFB151

#CFB151
Yellow
Dark
Nearest: Dark khaki

#CFB151 is a yellow with RGB values 207, 177, 81 and HSL 46°, 57%, 56%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark khaki.

Colour values

#CFB151#CFB151

HEX#CFB151

RGBrgb(207, 177, 81)

RGB (0–1)0.8118, 0.6941, 0.3176

RGB percentages81.2%, 69.4%, 31.8%

HSLhsl(45.7, 56.8%, 56.5%)

HSV / HSBhsv(45.7, 60.9%, 81.2%)

CMYK0%, 14.5%, 60.9%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,611,345

CSS custom property--colour: #CFB151;

Brightness & contrast

Relative luminance0.45304WCAG 2.x, 0 is black and 1 is white

Perceived brightness178.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.06:1

Contrast with white2.09:1WCAG normal text: Fail

Contrast with black10.06:1WCAG normal text: AAA

Greyscale equivalent#B0B0B0

Inverted#304EAE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C2AE47no red cones; affects about 1% of men; ΔE 5.4 from the original

Deuteranopia#CAB755no green cones; the most common form, about 1% of men; ΔE 5.2 from the original

Tritanopia#DFA49Cno blue cones; rare, and affects men and women equally; ΔE 44.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.09:1WCAG large text: Fail

Contrast with black, large text10.06:1WCAG large text: AAA

Named colours

Dark khaki · ΔE 15.3 Goldenrod · ΔE 19.1 Dark goldenrod · ΔE 20.3 Khaki · ΔE 20.5 Burlywood · ΔE 23.6 Sandy brown · ΔE 24

Nearest named CSS colourDark khaki (#BDB76B)ΔE 15.28, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#516FCF

Analogous#CF7251, #AECF51

Triadic#51CFB1, #B151CF

Split complementary#51AECF, #7251CF

Tetradic#51CF72, #516FCF, #CF51AE

Tints, shades & saturation

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

Lighter +40%#FBF9F1

Lighter +30%#F0E7C9

Lighter +20%#E5D5A1

Lighter +10%#DAC379

Darker −10%#BA9A33

Darker −20%#927928

Darker −30%#6A581D

Darker −40%#423612

More saturated +25%#EBC035

Less saturated −25%#B3A26D

Channel breakdown

R207

G177

B81

Red207 (81.2%)

Green177 (69.4%)

Blue81 (31.8%)

Hue45.71°

Saturation (HSL)56.76%

Lightness56.47%

Dominant channelRed

Hex per channelR CF · G B1 · B 51

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CFB151 (chemical formula)

Formula
1,663.319 g/mol
153 atoms

CFB151 has a molar mass of 1,663.319 g/mol, made up of 153 atoms across 3 elements: 1 × C, 1 × F, 151 × B.

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Molar mass

Molar mass1,663.319 g/mol

Total atoms per molecule153

Distinct elements3

Mass of one molecule2.7620062 × 10^-21 g

Molecules per gram3.6205567 × 10^20

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

C0.7%

F1.1%

B98.1%

Carbon (C)12.011 g/mol, 0.722%

Fluorine (F)18.998 g/mol, 1.142%

Boron (B × 151)1,632.31 g/mol, 98.136%

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