Recognised as Colour

#FAC518

#FAC518
Yellow
Light
Nearest: Gold

#FAC518 is a yellow with RGB values 250, 197, 24 and HSL 46°, 96%, 54%. It is a light colour, so black text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FAC518#FAC518

HEX#FAC518

RGBrgb(250, 197, 24)

RGB (0–1)0.9804, 0.7725, 0.0941

RGB percentages98%, 77.3%, 9.4%

HSLhsl(45.9, 95.8%, 53.7%)

HSV / HSBhsv(45.9, 90.4%, 98%)

CMYK0%, 21.2%, 90.4%, 2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,434,456

CSS custom property--colour: #FAC518;

Brightness & contrast

Relative luminance0.60322WCAG 2.x, 0 is black and 1 is white

Perceived brightness203.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.06:1

Contrast with white1.61:1WCAG normal text: Fail

Contrast with black13.06:1WCAG normal text: AAA

Greyscale equivalent#C4C4C4

Inverted#053AE7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#DEC400no red cones; affects about 1% of men; ΔE 12.2 from the original

Deuteranopia#EBD228no green cones; the most common form, about 1% of men; ΔE 13.1 from the original

Tritanopia#FFB2A8no blue cones; rare, and affects men and women equally; ΔE 67.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.61:1WCAG large text: Fail

Contrast with black, large text13.06:1WCAG large text: AAA

Named colours

Gold · ΔE 10.9 Goldenrod · ΔE 16.7 Orange · ΔE 19.9 Dark goldenrod · ΔE 29.4 Yellow · ΔE 33.8 Dark orange · ΔE 34.2

Nearest named CSS colourGold (#FFD700)ΔE 10.91, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#184DFA

Analogous#FA5418, #BEFA18

Triadic#18FAC5, #C518FA

Split complementary#18BEFA, #5418FA

Tetradic#18FA54, #184DFA, #FA18BE

Tints, shades & saturation

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

Lighter +40%#FEF7E0

Lighter +30%#FDEBAE

Lighter +20%#FCDE7C

Lighter +10%#FBD24A

Darker −10%#DAA805

Darker −20%#A88204

Darker −30%#765B03

Darker −40%#453501

More saturated +25%#FFC813

Less saturated −25%#DCB536

Channel breakdown

R250

G197

B24

Red250 (98%)

Green197 (77.3%)

Blue24 (9.4%)

Hue45.93°

Saturation (HSL)95.76%

Lightness53.73%

Dominant channelRed

Hex per channelR FA · G C5 · B 18

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FAc518 (chemical formula)

Formula
117,604.998 g/mol
519 atoms

FAc518 has a molar mass of 117,604.998 g/mol, made up of 519 atoms across 2 elements: 1 × F, 518 × Ac.

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Molar mass

Molar mass117,604.998 g/mol

Total atoms per molecule519

Distinct elements2

Mass of one molecule1.9528769 × 10^-19 g

Molecules per gram5.1206504 × 10^18

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%

Ac100%

Fluorine (F)18.998 g/mol, 0.016%

Actinium (Ac × 518)117,586 g/mol, 99.984%

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