Recognised as Colour

#FDBB66

#FDBB66
Orange
Light
Nearest: Sandy brown

#FDBB66 is a orange with RGB values 253, 187, 102 and HSL 34°, 97%, 70%. It is a light colour, so black text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FDBB66#FDBB66

HEX#FDBB66

RGBrgb(253, 187, 102)

RGB (0–1)0.9922, 0.7333, 0.4

RGB percentages99.2%, 73.3%, 40%

HSLhsl(33.8, 97.4%, 69.6%)

HSV / HSBhsv(33.8, 59.7%, 99.2%)

CMYK0%, 26.1%, 59.7%, 0.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,628,582

CSS custom property--colour: #FDBB66;

Brightness & contrast

Relative luminance0.57383WCAG 2.x, 0 is black and 1 is white

Perceived brightness202.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.48:1

Contrast with white1.68:1WCAG normal text: Fail

Contrast with black12.48:1WCAG normal text: AAA

Greyscale equivalent#C3C3C3

Inverted#024499

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D2BE5Eno red cones; affects about 1% of men; ΔE 20.3 from the original

Deuteranopia#E2CE68no green cones; the most common form, about 1% of men; ΔE 20.9 from the original

Tritanopia#FFABA7no blue cones; rare, and affects men and women equally; ΔE 40.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.68:1WCAG large text: Fail

Contrast with black, large text12.48:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 11.4 Peru · ΔE 20.1 Goldenrod · ΔE 20.6 Burlywood · ΔE 23.3 Light salmon · ΔE 24.4 Dark goldenrod · ΔE 24.4

Nearest named CSS colourSandy brown (#F4A460)ΔE 11.37, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#66A8FD

Analogous#FD7066, #F3FD66

Triadic#66FDBB, #BB66FD

Split complementary#66F3FD, #7066FD

Tetradic#66FD6F, #66A8FD, #FD66F3

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEFD

Lighter +20%#FEE8CB

Lighter +10%#FED198

Darker −10%#FCA534

Darker −20%#FA8E03

Darker −30%#C77103

Darker −40%#955502

More saturated +25%#FFBB64

Less saturated −25%#EAB979

Channel breakdown

R253

G187

B102

Red253 (99.2%)

Green187 (73.3%)

Blue102 (40%)

Hue33.77°

Saturation (HSL)97.42%

Lightness69.61%

Dominant channelRed

Hex per channelR FD · G BB · B 66

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FDbB66 (chemical formula)

Formula
1,000.458 g/mol
68 atoms

FDbB66 has a molar mass of 1,000.458 g/mol, made up of 68 atoms across 3 elements: 1 × F, 1 × Db, 66 × B.

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Molar mass

Molar mass1,000.458 g/mol

Total atoms per molecule68

Distinct elements3

Mass of one molecule1.6612996 × 10^-21 g

Molecules per gram6.0193839 × 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

F1.9%

Db26.8%

B71.3%

Fluorine (F)18.998 g/mol, 1.899%

Dubnium (Db)268 g/mol, 26.788%

Boron (B × 66)713.46 g/mol, 71.313%

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Elements in this formula

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