Recognised as Colour

#FFB52C

#FFB52C
Orange
Light
Nearest: Orange

#FFB52C is a orange with RGB values 255, 181, 44 and HSL 39°, 100%, 59%. It is a light colour, so black text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FFB52C#FFB52C

HEX#FFB52C

RGBrgb(255, 181, 44)

RGB (0–1)1, 0.7098, 0.1725

RGB percentages100%, 71%, 17.3%

HSLhsl(39, 100%, 58.6%)

HSV / HSBhsv(39, 82.7%, 100%)

CMYK0%, 29%, 82.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,758,060

CSS custom property--colour: #FFB52C;

Brightness & contrast

Relative luminance0.5449WCAG 2.x, 0 is black and 1 is white

Perceived brightness197.2 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.9:1

Contrast with white1.77:1WCAG normal text: Fail

Contrast with black11.9:1WCAG normal text: AAA

Greyscale equivalent#BBBBBB

Inverted#004AD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D0B801no red cones; affects about 1% of men; ΔE 23.1 from the original

Deuteranopia#E2CA32no green cones; the most common form, about 1% of men; ΔE 23.2 from the original

Tritanopia#FFA19Cno blue cones; rare, and affects men and women equally; ΔE 59.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.77:1WCAG large text: Fail

Contrast with black, large text11.9:1WCAG large text: AAA

Named colours

Orange · ΔE 10.1 Goldenrod · ΔE 12.1 Dark orange · ΔE 22.7 Dark goldenrod · ΔE 23.3 Gold · ΔE 24.1 Sandy brown · ΔE 28.1

Nearest named CSS colourOrange (#FFA500)ΔE 10.1, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2C76FF

Analogous#FF4C2C, #DFFF2C

Triadic#2CFFB5, #B52CFF

Split complementary#2CDFFF, #4C2CFF

Tetradic#2CFF4C, #2C76FF, #FF2CDF

Tints, shades & saturation

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

Lighter +40%#FFFDF8

Lighter +30%#FFEBC5

Lighter +20%#FFD992

Lighter +10%#FFC75F

Darker −10%#F8A100

Darker −20%#C58000

Darker −30%#925F00

Darker −40%#5F3E00

More saturated +25%#FFB52C

Less saturated −25%#E5AD46

Channel breakdown

R255

G181

B44

Red255 (100%)

Green181 (71%)

Blue44 (17.3%)

Hue38.96°

Saturation (HSL)100%

Lightness58.63%

Dominant channelRed

Hex per channelR FF · G B5 · B 2C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFB52C (chemical formula)

Formula
612.127 g/mol
55 atoms

FFB52C has a molar mass of 612.127 g/mol, made up of 55 atoms across 3 elements: 2 × F, 52 × B, 1 × C.

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Molar mass

Molar mass612.127 g/mol

Total atoms per molecule55

Distinct elements3

Mass of one molecule1.0164608 × 10^-21 g

Molecules per gram9.8380577 × 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

F6.2%

B91.8%

C2%

Fluorine (F × 2)37.996 g/mol, 6.207%

Boron (B × 52)562.12 g/mol, 91.831%

Carbon (C)12.011 g/mol, 1.962%

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Elements in this formula

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