Recognised as Colour

#FFE561

#FFE561
Yellow
Light
Nearest: Khaki

#FFE561 is a yellow with RGB values 255, 229, 97 and HSL 50°, 100%, 69%. It is a light colour, so black text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Khaki.

Colour values

#FFE561#FFE561

HEX#FFE561

RGBrgb(255, 229, 97)

RGB (0–1)1, 0.898, 0.3804

RGB percentages100%, 89.8%, 38%

HSLhsl(50.1, 100%, 69%)

HSV / HSBhsv(50.1, 62%, 100%)

CMYK0%, 10.2%, 62%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,770,401

CSS custom property--colour: #FFE561;

Brightness & contrast

Relative luminance0.78162WCAG 2.x, 0 is black and 1 is white

Perceived brightness226.5 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.63:1

Contrast with white1.26:1WCAG normal text: Fail

Contrast with black16.63:1WCAG normal text: AAA

Greyscale equivalent#E1E1E1

Inverted#001A9E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FAE052no red cones; affects about 1% of men; ΔE 4.5 from the original

Deuteranopia#FFE968no green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#FFD5C9no blue cones; rare, and affects men and women equally; ΔE 57.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.26:1WCAG large text: Fail

Contrast with black, large text16.63:1WCAG large text: AAA

Named colours

Khaki · ΔE 21 Gold · ΔE 22.1 Goldenrod · ΔE 24.9 Dark khaki · ΔE 31.8 Yellow · ΔE 33.3 Pale goldenrod · ΔE 34.8

Nearest named CSS colourKhaki (#F0E68C)ΔE 21, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#617BFF

Analogous#FF9661, #CAFF61

Triadic#61FFE5, #E561FF

Split complementary#61CAFF, #9661FF

Tetradic#61FF96, #617BFF, #FF61CA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEFA

Lighter +20%#FFF6C7

Lighter +10%#FFED94

Darker −10%#FFDD2E

Darker −20%#FAD100

Darker −30%#C7A600

Darker −40%#947C00

More saturated +25%#FFE561

Less saturated −25%#EBD875

Channel breakdown

R255

G229

B97

Red255 (100%)

Green229 (89.8%)

Blue97 (38%)

Hue50.13°

Saturation (HSL)100%

Lightness69.02%

Dominant channelRed

Hex per channelR FF · G E5 · B 61

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFe561 (chemical formula)

Formula
31,348.043 g/mol
562 atoms

FFe561 has a molar mass of 31,348.043 g/mol, made up of 562 atoms across 2 elements: 1 × F, 561 × Fe.

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Molar mass

Molar mass31,348.043 g/mol

Total atoms per molecule562

Distinct elements2

Mass of one molecule5.205465 × 10^-20 g

Molecules per gram1.921058 × 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

F0.1%

Fe99.9%

Fluorine (F)18.998 g/mol, 0.061%

Iron (Fe × 561)31,329.045 g/mol, 99.939%

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Elements in this formula

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