Recognised as Colour

#FFB640

#FFB640
Orange
Light
Nearest: Goldenrod

#FFB640 is a orange with RGB values 255, 182, 64 and HSL 37°, 100%, 63%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#FFB640#FFB640

HEX#FFB640

RGBrgb(255, 182, 64)

RGB (0–1)1, 0.7137, 0.251

RGB percentages100%, 71.4%, 25.1%

HSLhsl(37.1, 100%, 62.5%)

HSV / HSBhsv(37.1, 74.9%, 100%)

CMYK0%, 28.6%, 74.9%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,758,336

CSS custom property--colour: #FFB640;

Brightness & contrast

Relative luminance0.55086WCAG 2.x, 0 is black and 1 is white

Perceived brightness198.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 12.02:1

Contrast with white1.75:1WCAG normal text: Fail

Contrast with black12.02:1WCAG normal text: AAA

Greyscale equivalent#BDBDBD

Inverted#0049BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#D0B92Eno red cones; affects about 1% of men; ΔE 22.7 from the original

Deuteranopia#E2CB44no green cones; the most common form, about 1% of men; ΔE 23.1 from the original

Tritanopia#FFA39Eno blue cones; rare, and affects men and women equally; ΔE 53.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.75:1WCAG large text: Fail

Contrast with black, large text12.02:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 11.5 Orange · ΔE 14.7 Dark goldenrod · ΔE 21.4 Sandy brown · ΔE 21.9 Dark orange · ΔE 24.1 Peru · ΔE 26.3

Nearest named CSS colourGoldenrod (#DAA520)ΔE 11.54, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4089FF

Analogous#FF5640, #E8FF40

Triadic#40FFB6, #B640FF

Split complementary#40E8FF, #5740FF

Tetradic#40FF57, #4089FF, #FF40E9

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFF0D9

Lighter +20%#FFDDA6

Lighter +10%#FFC973

Darker −10%#FFA30D

Darker −20%#D98600

Darker −30%#A66700

Darker −40%#734700

More saturated +25%#FFB640

Less saturated −25%#E7B058

Channel breakdown

R255

G182

B64

Red255 (100%)

Green182 (71.4%)

Blue64 (25.1%)

Hue37.07°

Saturation (HSL)100%

Lightness62.55%

Dominant channelRed

Hex per channelR FF · G B6 · B 40

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFB640 (chemical formula)

Formula
6,956.396 g/mol
642 atoms

FFB640 has a molar mass of 6,956.396 g/mol, made up of 642 atoms across 2 elements: 2 × F, 640 × B.

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Molar mass

Molar mass6,956.396 g/mol

Total atoms per molecule642

Distinct elements2

Mass of one molecule1.1551367 × 10^-20 g

Molecules per gram8.6569838 × 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

F0.5%

B99.5%

Fluorine (F × 2)37.996 g/mol, 0.546%

Boron (B × 640)6,918.4 g/mol, 99.454%

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Elements in this formula

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