Recognised as Colour

#FBE23B

#FBE23B
Yellow
Light
Nearest: Gold

#FBE23B is a yellow with RGB values 251, 226, 59 and HSL 52°, 96%, 61%. It is a light colour, so black text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FBE23B#FBE23B

HEX#FBE23B

RGBrgb(251, 226, 59)

RGB (0–1)0.9843, 0.8863, 0.2314

RGB percentages98.4%, 88.6%, 23.1%

HSLhsl(52.2, 96%, 60.8%)

HSV / HSBhsv(52.2, 76.5%, 98.4%)

CMYK0%, 10%, 76.5%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,507,451

CSS custom property--colour: #FBE23B;

Brightness & contrast

Relative luminance0.75218WCAG 2.x, 0 is black and 1 is white

Perceived brightness221.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.04:1

Contrast with white1.31:1WCAG normal text: Fail

Contrast with black16.04:1WCAG normal text: AAA

Greyscale equivalent#DBDBDB

Inverted#041DC4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F8DC11no red cones; affects about 1% of men; ΔE 7.7 from the original

Deuteranopia#FFE547no green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#FFD1C3no blue cones; rare, and affects men and women equally; ΔE 69 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.31:1WCAG large text: Fail

Contrast with black, large text16.04:1WCAG large text: AAA

Named colours

Gold · ΔE 11 Yellow · ΔE 22.4 Goldenrod · ΔE 26.8 Khaki · ΔE 33.4 Yellow green · ΔE 34.7 Orange · ΔE 35.1

Nearest named CSS colourGold (#FFD700)ΔE 10.96, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3B54FB

Analogous#FB823B, #B4FB3B

Triadic#3BFBE2, #E23BFB

Split complementary#3BB4FB, #823BFB

Tetradic#3BFB82, #3B54FB, #FB3BB4

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEF8D1

Lighter +20%#FDF19F

Lighter +10%#FCE96D

Darker −10%#FADB09

Darker −20%#CCB204

Darker −30%#9A8603

Darker −40%#685B02

More saturated +25%#FFE537

Less saturated −25%#E2D054

Channel breakdown

R251

G226

B59

Red251 (98.4%)

Green226 (88.6%)

Blue59 (23.1%)

Hue52.19°

Saturation (HSL)96%

Lightness60.78%

Dominant channelRed

Hex per channelR FB · G E2 · B 3B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FBe23B (chemical formula)

Formula
237.0886 g/mol
25 atoms

FBe23B has a molar mass of 237.0886 g/mol, made up of 25 atoms across 3 elements: 1 × F, 23 × Be, 1 × B.

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Molar mass

Molar mass237.0886 g/mol

Total atoms per molecule25

Distinct elements3

Mass of one molecule3.9369488 × 10^-22 g

Molecules per gram2.5400381 × 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

F8%

Be87.4%

B4.6%

Fluorine (F)18.998 g/mol, 8.013%

Beryllium (Be × 23)207.2806 g/mol, 87.427%

Boron (B)10.81 g/mol, 4.559%

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Elements in this formula

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