Recognised as Colour

#FFF550

#FFF550
Yellow
Light
Nearest: Gold

#FFF550 is a yellow with RGB values 255, 245, 80 and HSL 57°, 100%, 66%. It is a light colour, so black text on it reaches 18.4:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFF550#FFF550

HEX#FFF550

RGBrgb(255, 245, 80)

RGB (0–1)1, 0.9608, 0.3137

RGB percentages100%, 96.1%, 31.4%

HSLhsl(56.6, 100%, 65.7%)

HSV / HSBhsv(56.6, 68.6%, 100%)

CMYK0%, 3.9%, 68.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,774,480

CSS custom property--colour: #FFF550;

Brightness & contrast

Relative luminance0.87144WCAG 2.x, 0 is black and 1 is white

Perceived brightness235.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.43:1

Contrast with white1.14:1WCAG normal text: Fail

Contrast with black18.43:1WCAG normal text: AAA

Greyscale equivalent#EBEBEB

Inverted#000AAF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEC36no red cones; affects about 1% of men; ΔE 7.3 from the original

Deuteranopia#FFF35Bno green cones; the most common form, about 1% of men; ΔE 4.9 from the original

Tritanopia#FFE5D4no blue cones; rare, and affects men and women equally; ΔE 68.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.14:1WCAG large text: Fail

Contrast with black, large text18.43:1WCAG large text: AAA

Named colours

Gold · ΔE 18.5 Yellow · ΔE 19.3 Yellow green · ΔE 31.1 Khaki · ΔE 32.4 Goldenrod · ΔE 34.4 Green yellow · ΔE 38.1

Nearest named CSS colourGold (#FFD700)ΔE 18.48, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#505AFF

Analogous#FF9D50, #B2FF50

Triadic#50FFF5, #F550FF

Split complementary#50B2FF, #9D50FF

Tetradic#50FF9D, #505AFF, #FF50B2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEE9

Lighter +20%#FFFBB6

Lighter +10%#FFF883

Darker −10%#FFF21D

Darker −20%#E9DC00

Darker −30%#B6AC00

Darker −40%#837C00

More saturated +25%#FFF550

Less saturated −25%#E9E266

Channel breakdown

R255

G245

B80

Red255 (100%)

Green245 (96.1%)

Blue80 (31.4%)

Hue56.57°

Saturation (HSL)100%

Lightness65.69%

Dominant channelRed

Hex per channelR FF · G F5 · B 50

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF550 (chemical formula)

Formula
10,486.896 g/mol
552 atoms

FFF550 has a molar mass of 10,486.896 g/mol, made up of 552 atoms across 1 element: 552 × F.

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Molar mass

Molar mass10,486.896 g/mol

Total atoms per molecule552

Distinct elements1

Mass of one molecule1.7413901 × 10^-20 g

Molecules per gram5.7425388 × 10^19

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

F100%

Fluorine (F × 552)10,486.896 g/mol, 100%

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Elements in this formula

Fluorine

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