Recognised as Colour

#FFE545

#FFE545
Yellow
Light
Nearest: Gold

#FFE545 is a yellow with RGB values 255, 229, 69 and HSL 52°, 100%, 64%. 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

#FFE545#FFE545

HEX#FFE545

RGBrgb(255, 229, 69)

RGB (0–1)1, 0.898, 0.2706

RGB percentages100%, 89.8%, 27.1%

HSLhsl(51.6, 100%, 63.5%)

HSV / HSBhsv(51.6, 72.9%, 100%)

CMYK0%, 10.2%, 72.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,770,373

CSS custom property--colour: #FFE545;

Brightness & contrast

Relative luminance0.77728WCAG 2.x, 0 is black and 1 is white

Perceived brightness225.3 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.55:1

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

Contrast with black16.55:1WCAG normal text: AAA

Greyscale equivalent#DFDFDF

Inverted#001ABA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FBDF28no red cones; affects about 1% of men; ΔE 6.7 from the original

Deuteranopia#FFE850no green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#FFD4C6no blue cones; rare, and affects men and women equally; ΔE 67 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 text16.55:1WCAG large text: AAA

Named colours

Gold · ΔE 12.7 Yellow · ΔE 23.9 Goldenrod · ΔE 26.6 Khaki · ΔE 31.4 Yellow green · ΔE 35 Orange · ΔE 35.2

Nearest named CSS colourGold (#FFD700)ΔE 12.69, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#455FFF

Analogous#FF8845, #BCFF45

Triadic#45FFE5, #E545FF

Split complementary#45BCFF, #8845FF

Tetradic#45FF88, #455FFF, #FF45BC

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFADE

Lighter +20%#FFF3AB

Lighter +10%#FFEC78

Darker −10%#FFDE12

Darker −20%#DEBF00

Darker −30%#AB9300

Darker −40%#786700

More saturated +25%#FFE545

Less saturated −25%#E8D45C

Channel breakdown

R255

G229

B69

Red255 (100%)

Green229 (89.8%)

Blue69 (27.1%)

Hue51.61°

Saturation (HSL)100%

Lightness63.53%

Dominant channelRed

Hex per channelR FF · G E5 · B 45

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFe545 (chemical formula)

Formula
30,454.523 g/mol
546 atoms

FFe545 has a molar mass of 30,454.523 g/mol, made up of 546 atoms across 2 elements: 1 × F, 545 × Fe.

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Molar mass

Molar mass30,454.523 g/mol

Total atoms per molecule546

Distinct elements2

Mass of one molecule5.0570925 × 10^-20 g

Molecules per gram1.9774208 × 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, 0.062%

Iron (Fe × 545)30,435.525 g/mol, 99.938%

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Elements in this formula

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