Recognised as Colour

#FFE533

#FFE533
Yellow
Light
Nearest: Gold

#FFE533 is a yellow with RGB values 255, 229, 51 and HSL 52°, 100%, 60%. It is a light colour, so black text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFE533#FFE533

HEX#FFE533

RGBrgb(255, 229, 51)

RGB (0–1)1, 0.898, 0.2

RGB percentages100%, 89.8%, 20%

HSLhsl(52.4, 100%, 60%)

HSV / HSBhsv(52.4, 80%, 100%)

CMYK0%, 10.2%, 80%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,770,355

CSS custom property--colour: #FFE533;

Brightness & contrast

Relative luminance0.77538WCAG 2.x, 0 is black and 1 is white

Perceived brightness224.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.51:1

Contrast with white1.27:1WCAG normal text: Fail

Contrast with black16.51:1WCAG normal text: AAA

Greyscale equivalent#DEDEDE

Inverted#001ACC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FCDE00no red cones; affects about 1% of men; ΔE 6.8 from the original

Deuteranopia#FFE842no green cones; the most common form, about 1% of men; ΔE 4 from the original

Tritanopia#FFD4C5no blue cones; rare, and affects men and women equally; ΔE 71.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.27:1WCAG large text: Fail

Contrast with black, large text16.51:1WCAG large text: AAA

Named colours

Gold · ΔE 8.9 Yellow · ΔE 19.6 Goldenrod · ΔE 28.9 Orange · ΔE 35.8 Yellow green · ΔE 36.3 Khaki · ΔE 36.8

Nearest named CSS colourGold (#FFD700)ΔE 8.95, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#334DFF

Analogous#FF7F33, #B3FF33

Triadic#33FFE5, #E533FF

Split complementary#33B3FF, #7F33FF

Tetradic#33FF7F, #334DFF, #FF33B3

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFF9CC

Lighter +20%#FFF299

Lighter +10%#FFEC66

Darker −10%#FFDF00

Darker −20%#CCB200

Darker −30%#998600

Darker −40%#665900

More saturated +25%#FFE533

Less saturated −25%#E6D24C

Channel breakdown

R255

G229

B51

Red255 (100%)

Green229 (89.8%)

Blue51 (20%)

Hue52.35°

Saturation (HSL)100%

Lightness60%

Dominant channelRed

Hex per channelR FF · G E5 · B 33

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFe533 (chemical formula)

Formula
29,784.383 g/mol
534 atoms

FFe533 has a molar mass of 29,784.383 g/mol, made up of 534 atoms across 2 elements: 1 × F, 533 × Fe.

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Molar mass

Molar mass29,784.383 g/mol

Total atoms per molecule534

Distinct elements2

Mass of one molecule4.9458132 × 10^-20 g

Molecules per gram2.0219122 × 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, 0.064%

Iron (Fe × 533)29,765.385 g/mol, 99.936%

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Elements in this formula

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