Recognised as Colour

#F5C900

#F5C900
Yellow
Light
Nearest: Gold

#F5C900 is a yellow with RGB values 245, 201, 0 and HSL 49°, 100%, 48%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#F5C900#F5C900

HEX#F5C900

RGBrgb(245, 201, 0)

RGB (0–1)0.9608, 0.7882, 0

RGB percentages96.1%, 78.8%, 0%

HSLhsl(49.2, 100%, 48%)

HSV / HSBhsv(49.2, 100%, 96.1%)

CMYK0%, 18%, 100%, 3.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,107,776

CSS custom property--colour: #F5C900;

Brightness & contrast

Relative luminance0.61186WCAG 2.x, 0 is black and 1 is white

Perceived brightness204.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.24:1

Contrast with white1.59:1WCAG normal text: Fail

Contrast with black13.24:1WCAG normal text: AAA

Greyscale equivalent#C4C4C4

Inverted#0A36FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E1C600no red cones; affects about 1% of men; ΔE 8 from the original

Deuteranopia#ECD320no green cones; the most common form, about 1% of men; ΔE 9.3 from the original

Tritanopia#FFB7ABno blue cones; rare, and affects men and women equally; ΔE 71.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.59:1WCAG large text: Fail

Contrast with black, large text13.24:1WCAG large text: AAA

Named colours

Gold · ΔE 6.4 Goldenrod · ΔE 20.3 Orange · ΔE 24.6 Yellow · ΔE 29 Dark goldenrod · ΔE 32.5 Dark orange · ΔE 39

Nearest named CSS colourGold (#FFD700)ΔE 6.38, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#002CF5

Analogous#F54F00, #A6F500

Triadic#00F5C9, #C900F5

Split complementary#00A7F5, #4E00F5

Tetradic#00F54F, #002CF5, #F500A7

Tints, shades & saturation

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

Lighter +40%#FFF4C2

Lighter +30%#FFEB8F

Lighter +20%#FFE25C

Lighter +10%#FFD929

Darker −10%#C29F00

Darker −20%#8F7500

Darker −30%#5C4B00

Darker −40%#292200

More saturated +25%#F5C900

Less saturated −25%#D6B51F

Channel breakdown

R245

G201

Red245 (96.1%)

Green201 (78.8%)

Blue0 (0%)

Hue49.22°

Saturation (HSL)100%

Lightness48.04%

Dominant channelRed

Hex per channelR F5 · G C9 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F5C900 (chemical formula)

Formula
10,904.89 g/mol
905 atoms

F5C900 has a molar mass of 10,904.89 g/mol, made up of 905 atoms across 2 elements: 5 × F, 900 × C.

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Molar mass

Molar mass10,904.89 g/mol

Total atoms per molecule905

Distinct elements2

Mass of one molecule1.8107996 × 10^-20 g

Molecules per gram5.5224223 × 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

F0.9%

C99.1%

Fluorine (F × 5)94.99 g/mol, 0.871%

Carbon (C × 900)10,809.9 g/mol, 99.129%

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Elements in this formula

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