Recognised as Colour

#FFF938

#FFF938
Yellow
Light
Nearest: Yellow

#FFF938 is a yellow with RGB values 255, 249, 56 and HSL 58°, 100%, 61%. It is a light colour, so black text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#FFF938#FFF938

HEX#FFF938

RGBrgb(255, 249, 56)

RGB (0–1)1, 0.9765, 0.2196

RGB percentages100%, 97.6%, 22%

HSLhsl(58.2, 100%, 61%)

HSV / HSBhsv(58.2, 78%, 100%)

CMYK0%, 2.4%, 78%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,775,480

CSS custom property--colour: #FFF938;

Brightness & contrast

Relative luminance0.89297WCAG 2.x, 0 is black and 1 is white

Perceived brightness237.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.86:1

Contrast with white1.11:1WCAG normal text: Fail

Contrast with black18.86:1WCAG normal text: AAA

Greyscale equivalent#ECECEC

Inverted#0006C7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEF00no red cones; affects about 1% of men; ΔE 8.1 from the original

Deuteranopia#FFF649no green cones; the most common form, about 1% of men; ΔE 6.2 from the original

Tritanopia#FFE8D6no blue cones; rare, and affects men and women equally; ΔE 76.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.11:1WCAG large text: Fail

Contrast with black, large text18.86:1WCAG large text: AAA

Named colours

Yellow · ΔE 10.4 Gold · ΔE 18.2 Yellow green · ΔE 33.4 Green yellow · ΔE 35.1 Goldenrod · ΔE 39.6 Khaki · ΔE 41.3

Nearest named CSS colourYellow (#FFFF00)ΔE 10.37, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#383EFF

Analogous#FF9638, #A2FF38

Triadic#38FFF9, #F938FF

Split complementary#38A1FF, #9638FF

Tetradic#38FF96, #383EFF, #FF38A1

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFED1

Lighter +20%#FFFC9E

Lighter +10%#FFFB6B

Darker −10%#FFF705

Darker −20%#D1CB00

Darker −30%#9E9900

Darker −40%#6B6800

More saturated +25%#FFF938

Less saturated −25%#E6E251

Channel breakdown

R255

G249

B56

Red255 (100%)

Green249 (97.6%)

Blue56 (22%)

Hue58.19°

Saturation (HSL)100%

Lightness60.98%

Dominant channelRed

Hex per channelR FF · G F9 · B 38

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

FFF938 (chemical formula)

Formula
17,858.12 g/mol
940 atoms

FFF938 has a molar mass of 17,858.12 g/mol, made up of 940 atoms across 1 element: 940 × F.

Open this reading on its own page →

Molar mass

Molar mass17,858.12 g/mol

Total atoms per molecule940

Distinct elements1

Mass of one molecule2.9654106 × 10^-20 g

Molecules per gram3.3722143 × 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 × 940)17,858.12 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page