Colour

#FFF858

#FFF858
Yellow
Light
Nearest: Gold

#FFF858 is a yellow with RGB values 255, 248, 88 and HSL 57°, 100%, 67%. It is a light colour, so black text on it reaches 18.8:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFF858#FFF858

HEX#FFF858

RGBrgb(255, 248, 88)

RGB (0–1)1, 0.9725, 0.3451

RGB percentages100%, 97.3%, 34.5%

HSLhsl(57.5, 100%, 67.3%)

HSV / HSBhsv(57.5, 65.5%, 100%)

CMYK0%, 2.7%, 65.5%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,256

CSS custom property--colour: #FFF858;

Brightness & contrast

Relative luminance0.89099WCAG 2.x, 0 is black and 1 is white

Perceived brightness237.5 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.82:1

Contrast with white1.12:1WCAG normal text: Fail

Contrast with black18.82:1WCAG normal text: AAA

Greyscale equivalent#EEEEEE

Inverted#0007A7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEF41no red cones; affects about 1% of men; ΔE 7 from the original

Deuteranopia#FFF562no green cones; the most common form, about 1% of men; ΔE 5.1 from the original

Tritanopia#FFE8D8no blue cones; rare, and affects men and women equally; ΔE 67.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.12:1WCAG large text: Fail

Contrast with black, large text18.82:1WCAG large text: AAA

Named colours

Gold · ΔE 20.8 Yellow · ΔE 20.9 Yellow green · ΔE 30.2 Khaki · ΔE 30.7 Goldenrod · ΔE 35.3 Green yellow · ΔE 37.5

Nearest named CSS colourGold (#FFD700)ΔE 20.81, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#585FFF

Analogous#FFA558, #B3FF58

Triadic#58FFF8, #F858FF

Split complementary#58B2FF, #A558FF

Tetradic#58FFA5, #585FFF, #FF58B2

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEF1

Lighter +20%#FFFCBE

Lighter +10%#FFFA8B

Darker −10%#FFF625

Darker −20%#F1E700

Darker −30%#BEB600

Darker −40%#8B8500

More saturated +25%#FFF858

Less saturated −25%#EAE56D

Channel breakdown

R255

G248

B88

Red255 (100%)

Green248 (97.3%)

Blue88 (34.5%)

Hue57.49°

Saturation (HSL)100%

Lightness67.25%

Dominant channelRed

Hex per channelR FF · G F8 · B 58

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF858 (chemical formula)

Formula
16,338.28 g/mol
860 atoms

FFF858 has a molar mass of 16,338.28 g/mol, made up of 860 atoms across 1 element: 860 × F.

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Molar mass

Molar mass16,338.28 g/mol

Total atoms per molecule860

Distinct elements1

Mass of one molecule2.7130352 × 10^-20 g

Molecules per gram3.6859087 × 10^19

Composition by mass

F100%

Fluorine (F × 860)16,338.28 g/mol, 100%

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Elements in this formula

Fluorine

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