Recognised as Colour

#FEF9BF

#FEF9BF
Yellow
Light
Nearest: Pale goldenrod

#FEF9BF is a yellow with RGB values 254, 249, 191 and HSL 55°, 97%, 87%. It is a light colour, so black text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Pale goldenrod.

Colour values

#FEF9BF#FEF9BF

HEX#FEF9BF

RGBrgb(254, 249, 191)

RGB (0–1)0.9961, 0.9765, 0.749

RGB percentages99.6%, 97.6%, 74.9%

HSLhsl(55.2, 96.9%, 87.3%)

HSV / HSBhsv(55.2, 24.8%, 99.6%)

CMYK0%, 2%, 24.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,710,079

CSS custom property--colour: #FEF9BF;

Brightness & contrast

Relative luminance0.92584WCAG 2.x, 0 is black and 1 is white

Perceived brightness244.6 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.52:1

Contrast with white1.08:1WCAG normal text: Fail

Contrast with black19.52:1WCAG normal text: AAA

Greyscale equivalent#F6F6F6

Inverted#010640

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF5BBno red cones; affects about 1% of men; ΔE 2.2 from the original

Deuteranopia#FFF8C1no green cones; the most common form, about 1% of men; ΔE 1.6 from the original

Tritanopia#FFF1E9no blue cones; rare, and affects men and women equally; ΔE 25.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.08:1WCAG large text: Fail

Contrast with black, large text19.52:1WCAG large text: AAA

Named colours

Pale goldenrod · ΔE 6.4 Lemon chiffon · ΔE 6.6 Light goldenrod yellow · ΔE 9.3 Moccasin · ΔE 11.2 Wheat · ΔE 12.5 Navajo white · ΔE 13.6

Nearest named CSS colourPale goldenrod (#EEE8AA)ΔE 6.41, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BFC4FE

Analogous#FEDABF, #E3FEBF

Triadic#BFFEF9, #F9BFFE

Split complementary#BFE4FE, #D9BFFE

Tetradic#BFFEDA, #BFC4FE, #FEBFE4

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#FFFEF1

Darker −10%#FDF48D

Darker −20%#FCF05B

Darker −30%#FCEB28

Darker −40%#EDDB04

More saturated +25%#FFFABE

Less saturated −25%#F6F2C7

Channel breakdown

R254

G249

B191

Red254 (99.6%)

Green249 (97.6%)

Blue191 (74.9%)

Hue55.24°

Saturation (HSL)96.92%

Lightness87.25%

Dominant channelRed

Hex per channelR FE · G F9 · B BF

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FeF9BF (chemical formula)

Formula
256.635 g/mol
12 atoms

FeF9BF has a molar mass of 256.635 g/mol, made up of 12 atoms across 3 elements: 1 × Fe, 10 × F, 1 × B.

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Molar mass

Molar mass256.635 g/mol

Total atoms per molecule12

Distinct elements3

Mass of one molecule4.2615244 × 10^-22 g

Molecules per gram2.3465781 × 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

Fe21.8%

F74%

B4.2%

Iron (Fe)55.845 g/mol, 21.76%

Fluorine (F × 10)189.98 g/mol, 74.027%

Boron (B)10.81 g/mol, 4.212%

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Elements in this formula

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