Recognised as Colour

#FCAF2B

#FCAF2B
Orange
Light
Nearest: Orange

#FCAF2B is a orange with RGB values 252, 175, 43 and HSL 38°, 97%, 58%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Orange.

Colour values

#FCAF2B#FCAF2B

HEX#FCAF2B

RGBrgb(252, 175, 43)

RGB (0–1)0.9882, 0.6863, 0.1686

RGB percentages98.8%, 68.6%, 16.9%

HSLhsl(37.9, 97.2%, 57.8%)

HSV / HSBhsv(37.9, 82.9%, 98.8%)

CMYK0%, 30.6%, 82.9%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,559,915

CSS custom property--colour: #FCAF2B;

Brightness & contrast

Relative luminance0.5153WCAG 2.x, 0 is black and 1 is white

Perceived brightness192.8 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.31:1

Contrast with white1.86:1WCAG normal text: Fail

Contrast with black11.31:1WCAG normal text: AAA

Greyscale equivalent#B6B6B6

Inverted#0350D4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#CBB303no red cones; affects about 1% of men; ΔE 24.5 from the original

Deuteranopia#DDC631no green cones; the most common form, about 1% of men; ΔE 25.2 from the original

Tritanopia#FF9B97no blue cones; rare, and affects men and women equally; ΔE 57.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.86:1WCAG large text: Fail

Contrast with black, large text11.31:1WCAG large text: AAA

Named colours

Orange · ΔE 9.1 Goldenrod · ΔE 11.9 Dark orange · ΔE 20.4 Dark goldenrod · ΔE 21.8 Sandy brown · ΔE 26.2 Gold · ΔE 26.8

Nearest named CSS colourOrange (#FFA500)ΔE 9.09, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B78FC

Analogous#FC472B, #E1FC2B

Triadic#2BFCAF, #AF2BFC

Split complementary#2BE1FC, #462BFC

Tetradic#2BFC46, #2B78FC, #FC2BE1

Tints, shades & saturation

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

Lighter +40%#FFFBF4

Lighter +30%#FEE8C2

Lighter +20%#FDD590

Lighter +10%#FDC25D

Darker −10%#F19903

Darker −20%#BE7903

Darker −30%#8C5902

Darker −40%#5A3901

More saturated +25%#FFB028

Less saturated −25%#E1A846

Channel breakdown

R252

G175

B43

Red252 (98.8%)

Green175 (68.6%)

Blue43 (16.9%)

Hue37.89°

Saturation (HSL)97.21%

Lightness57.84%

Dominant channelRed

Hex per channelR FC · G AF · B 2B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FCaF2B (chemical formula)

Formula
107.882 g/mol
5 atoms

FCaF2B has a molar mass of 107.882 g/mol, made up of 5 atoms across 3 elements: 3 × F, 1 × Ca, 1 × B.

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Molar mass

Molar mass107.882 g/mol

Total atoms per molecule5

Distinct elements3

Mass of one molecule1.7914228 × 10^-22 g

Molecules per gram5.5821553 × 10^21

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

F52.8%

Ca37.1%

B10%

Fluorine (F × 3)56.994 g/mol, 52.83%

Calcium (Ca)40.078 g/mol, 37.15%

Boron (B)10.81 g/mol, 10.02%

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Elements in this formula

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