Recognised as Colour

#CFB219

#CFB219
Yellow
Dark
Nearest: Goldenrod

#CFB219 is a yellow with RGB values 207, 178, 25 and HSL 50°, 78%, 45%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#CFB219#CFB219

HEX#CFB219

RGBrgb(207, 178, 25)

RGB (0–1)0.8118, 0.698, 0.098

RGB percentages81.2%, 69.8%, 9.8%

HSLhsl(50.4, 78.4%, 45.5%)

HSV / HSBhsv(50.4, 87.9%, 81.2%)

CMYK0%, 14%, 87.9%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,611,545

CSS custom property--colour: #CFB219;

Brightness & contrast

Relative luminance0.45176WCAG 2.x, 0 is black and 1 is white

Perceived brightness177.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.04:1

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

Contrast with black10.04:1WCAG normal text: AAA

Greyscale equivalent#ADADAD

Inverted#304DE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C6AE00no red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#CDB728no green cones; the most common form, about 1% of men; ΔE 4.3 from the original

Tritanopia#E0A398no blue cones; rare, and affects men and women equally; ΔE 62.1 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 text10.04:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 12.4 Gold · ΔE 20.8 Dark goldenrod · ΔE 21.1 Olive · ΔE 27.7 Orange · ΔE 28.3 Khaki · ΔE 32.4

Nearest named CSS colourGoldenrod (#DAA520)ΔE 12.42, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1936CF

Analogous#CF5719, #91CF19

Triadic#19CFB2, #B219CF

Split complementary#1991CF, #5719CF

Tetradic#19CF57, #1936CF, #CF1991

Tints, shades & saturation

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

Lighter +40%#F7EEBD

Lighter +30%#F2E28F

Lighter +20%#ECD662

Lighter +10%#E7CA34

Darker −10%#A18B14

Darker −20%#74640E

Darker −30%#463D09

Darker −40%#191503

More saturated +25%#E8C300

Less saturated −25%#B29E36

Channel breakdown

R207

G178

B25

Red207 (81.2%)

Green178 (69.8%)

Blue25 (9.8%)

Hue50.44°

Saturation (HSL)78.45%

Lightness45.49%

Dominant channelRed

Hex per channelR CF · G B2 · B 19

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CFB219 (chemical formula)

Formula
2,398.399 g/mol
221 atoms

CFB219 has a molar mass of 2,398.399 g/mol, made up of 221 atoms across 3 elements: 1 × C, 1 × F, 219 × B.

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Molar mass

Molar mass2,398.399 g/mol

Total atoms per molecule221

Distinct elements3

Mass of one molecule3.9826352 × 10^-21 g

Molecules per gram2.5109003 × 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

C0.5%

F0.8%

B98.7%

Carbon (C)12.011 g/mol, 0.501%

Fluorine (F)18.998 g/mol, 0.792%

Boron (B × 219)2,367.39 g/mol, 98.707%

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Elements in this formula

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