Recognised as Colour

#FFE515

#FFE515
Yellow
Light
Nearest: Gold

#FFE515 is a yellow with RGB values 255, 229, 21 and HSL 53°, 100%, 54%. 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

#FFE515#FFE515

HEX#FFE515

RGBrgb(255, 229, 21)

RGB (0–1)1, 0.898, 0.0824

RGB percentages100%, 89.8%, 8.2%

HSLhsl(53.3, 100%, 54.1%)

HSV / HSBhsv(53.3, 91.8%, 100%)

CMYK0%, 10.2%, 91.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,770,325

CSS custom property--colour: #FFE515;

Brightness & contrast

Relative luminance0.77353WCAG 2.x, 0 is black and 1 is white

Perceived brightness224.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 16.47:1

Contrast with white1.28:1WCAG normal text: Fail

Contrast with black16.47:1WCAG normal text: AAA

Greyscale equivalent#DCDCDC

Inverted#001AEA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FCDE00no red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#FFE830no green cones; the most common form, about 1% of men; ΔE 4.7 from the original

Tritanopia#FFD3C3no blue cones; rare, and affects men and women equally; ΔE 77.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.28:1WCAG large text: Fail

Contrast with black, large text16.47:1WCAG large text: AAA

Named colours

Gold · ΔE 7.7 Yellow · ΔE 15.9 Goldenrod · ΔE 32.3 Orange · ΔE 37.2 Yellow green · ΔE 38.7 Khaki · ΔE 42.8

Nearest named CSS colourGold (#FFD700)ΔE 7.72, clearly different but related

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#152FFF

Analogous#FF7015, #A4FF15

Triadic#15FFE5, #E515FF

Split complementary#15A4FF, #7015FF

Tetradic#15FF70, #152FFF, #FF15A4

Tints, shades & saturation

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

Lighter +40%#FFFCE1

Lighter +30%#FFF6AE

Lighter +20%#FFF07B

Lighter +10%#FFEB48

Darker −10%#E1C800

Darker −20%#AE9B00

Darker −30%#7B6D00

Darker −40%#484000

More saturated +25%#FFE515

Less saturated −25%#E2CE32

Channel breakdown

R255

G229

B21

Red255 (100%)

Green229 (89.8%)

Blue21 (8.2%)

Hue53.33°

Saturation (HSL)100%

Lightness54.12%

Dominant channelRed

Hex per channelR FF · G E5 · B 15

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFe515 (chemical formula)

Formula
28,779.173 g/mol
516 atoms

FFe515 has a molar mass of 28,779.173 g/mol, made up of 516 atoms across 2 elements: 1 × F, 515 × Fe.

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Molar mass

Molar mass28,779.173 g/mol

Total atoms per molecule516

Distinct elements2

Mass of one molecule4.7788941 × 10^-20 g

Molecules per gram2.0925343 × 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, 0.066%

Iron (Fe × 515)28,760.175 g/mol, 99.934%

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Elements in this formula

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