Recognised as Colour

#FFDB11

#FFDB11
Yellow
Light
Nearest: Gold

#FFDB11 is a yellow with RGB values 255, 219, 17 and HSL 51°, 100%, 53%. It is a light colour, so black text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Gold.

Colour values

#FFDB11#FFDB11

HEX#FFDB11

RGBrgb(255, 219, 17)

RGB (0–1)1, 0.8588, 0.0667

RGB percentages100%, 85.9%, 6.7%

HSLhsl(50.9, 100%, 53.3%)

HSV / HSBhsv(50.9, 93.3%, 100%)

CMYK0%, 14.1%, 93.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,767,761

CSS custom property--colour: #FFDB11;

Brightness & contrast

Relative luminance0.71964WCAG 2.x, 0 is black and 1 is white

Perceived brightness218.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 15.39:1

Contrast with white1.36:1WCAG normal text: Fail

Contrast with black15.39:1WCAG normal text: AAA

Greyscale equivalent#D4D4D4

Inverted#0024EE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#F3D600no red cones; affects about 1% of men; ΔE 3.7 from the original

Deuteranopia#FCE22Bno green cones; the most common form, about 1% of men; ΔE 5.8 from the original

Tritanopia#FFC9BBno blue cones; rare, and affects men and women equally; ΔE 75.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.36:1WCAG large text: Fail

Contrast with black, large text15.39:1WCAG large text: AAA

Named colours

Gold · ΔE 2.3 Yellow · ΔE 21.6 Goldenrod · ΔE 27.5 Orange · ΔE 31.5 Dark goldenrod · ΔE 39.6 Yellow green · ΔE 41.1

Nearest named CSS colourGold (#FFD700)ΔE 2.28, below the just-noticeable difference

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1135FF

Analogous#FF6411, #ACFF11

Triadic#11FFDB, #DB11FF

Split complementary#11ACFF, #6411FF

Tetradic#11FF64, #1135FF, #FF11AC

Tints, shades & saturation

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

Lighter +40%#FFFADD

Lighter +30%#FFF2AA

Lighter +20%#FFEA77

Lighter +10%#FFE344

Darker −10%#DDBC00

Darker −20%#AA9000

Darker −30%#776500

Darker −40%#443A00

More saturated +25%#FFDB11

Less saturated −25%#E1C62F

Channel breakdown

R255

G219

B17

Red255 (100%)

Green219 (85.9%)

Blue17 (6.7%)

Hue50.92°

Saturation (HSL)100%

Lightness53.33%

Dominant channelRed

Hex per channelR FF · G DB · B 11

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFDb11 (chemical formula)

Formula
2,985.996 g/mol
13 atoms

FFDb11 has a molar mass of 2,985.996 g/mol, made up of 13 atoms across 2 elements: 2 × F, 11 × Db.

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Molar mass

Molar mass2,985.996 g/mol

Total atoms per molecule13

Distinct elements2

Mass of one molecule4.958363 × 10^-21 g

Molecules per gram2.0167947 × 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

F1.3%

Db98.7%

Fluorine (F × 2)37.996 g/mol, 1.272%

Dubnium (Db × 11)2,948 g/mol, 98.728%

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Elements in this formula

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