Recognised as Colour

#FEF287

#FEF287
Yellow
Light
Nearest: Khaki

#FEF287 is a yellow with RGB values 254, 242, 135 and HSL 54°, 98%, 76%. It is a light colour, so black text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FEF287#FEF287

HEX#FEF287

RGBrgb(254, 242, 135)

RGB (0–1)0.9961, 0.949, 0.5294

RGB percentages99.6%, 94.9%, 52.9%

HSLhsl(53.9, 98.3%, 76.3%)

HSV / HSBhsv(53.9, 46.9%, 99.6%)

CMYK0%, 4.7%, 46.9%, 0.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,708,231

CSS custom property--colour: #FEF287;

Brightness & contrast

Relative luminance0.86324WCAG 2.x, 0 is black and 1 is white

Perceived brightness236.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 18.26:1

Contrast with white1.15:1WCAG normal text: Fail

Contrast with black18.26:1WCAG normal text: AAA

Greyscale equivalent#EDEDED

Inverted#010D78

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFEC7Eno red cones; affects about 1% of men; ΔE 3.8 from the original

Deuteranopia#FFF28Cno green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#FFE5D9no blue cones; rare, and affects men and women equally; ΔE 46.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.15:1WCAG large text: Fail

Contrast with black, large text18.26:1WCAG large text: AAA

Named colours

Khaki · ΔE 8.9 Pale goldenrod · ΔE 22.2 Dark khaki · ΔE 25 Navajo white · ΔE 28.8 Moccasin · ΔE 29.3 Lemon chiffon · ΔE 31

Nearest named CSS colourKhaki (#F0E68C)ΔE 8.85, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8793FE

Analogous#FEB687, #CFFE87

Triadic#87FEF2, #F287FE

Split complementary#87CFFE, #B687FE

Tetradic#87FEB6, #8793FE, #FE87CF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFDEC

Lighter +10%#FEF7BA

Darker −10%#FEED54

Darker −20%#FDE722

Darker −30%#EAD302

Darker −40%#B7A502

More saturated +25%#FFF386

Less saturated −25%#EFE696

Channel breakdown

R254

G242

B135

Red254 (99.6%)

Green242 (94.9%)

Blue135 (52.9%)

Hue53.95°

Saturation (HSL)98.35%

Lightness76.27%

Dominant channelRed

Hex per channelR FE · G F2 · B 87

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

FeF287 (chemical formula)

Formula
5,508.271 g/mol
288 atoms

FeF287 has a molar mass of 5,508.271 g/mol, made up of 288 atoms across 2 elements: 1 × Fe, 287 × F.

Open this reading on its own page →

Molar mass

Molar mass5,508.271 g/mol

Total atoms per molecule288

Distinct elements2

Mass of one molecule9.1466992 × 10^-21 g

Molecules per gram1.0932906 × 10^20

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

Fe1%

F99%

Iron (Fe)55.845 g/mol, 1.014%

Fluorine (F × 287)5,452.426 g/mol, 98.986%

Keep nerding

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

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page