Recognised as Colour

#FFAC65

#FFAC65
Orange
Light
Nearest: Sandy brown

#FFAC65 is a orange with RGB values 255, 172, 101 and HSL 28°, 100%, 70%. It is a light colour, so black text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FFAC65#FFAC65

HEX#FFAC65

RGBrgb(255, 172, 101)

RGB (0–1)1, 0.6745, 0.3961

RGB percentages100%, 67.5%, 39.6%

HSLhsl(27.7, 100%, 69.8%)

HSV / HSBhsv(27.7, 60.4%, 100%)

CMYK0%, 32.5%, 60.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,755,813

CSS custom property--colour: #FFAC65;

Brightness & contrast

Relative luminance0.51705WCAG 2.x, 0 is black and 1 is white

Perceived brightness194.9 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 11.34:1

Contrast with white1.85:1WCAG normal text: Fail

Contrast with black11.34:1WCAG normal text: AAA

Greyscale equivalent#B9B9B9

Inverted#00539A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C5B35Eno red cones; affects about 1% of men; ΔE 28.7 from the original

Deuteranopia#D9C666no green cones; the most common form, about 1% of men; ΔE 29.3 from the original

Tritanopia#FF9A9Bno blue cones; rare, and affects men and women equally; ΔE 35.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.85:1WCAG large text: Fail

Contrast with black, large text11.34:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 3.6 Peru · ΔE 15.5 Light salmon · ΔE 16.1 Dark salmon · ΔE 22.3 Coral · ΔE 23.9 Burlywood · ΔE 24.7

Nearest named CSS colourSandy brown (#F4A460)ΔE 3.56, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#65B8FF

Analogous#FF656B, #FFF965

Triadic#65FFAC, #AC65FF

Split complementary#65FFF9, #656BFF

Tetradic#6BFF65, #65B8FF, #F965FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFEFE

Lighter +20%#FFE3CB

Lighter +10%#FFC798

Darker −10%#FF9132

Darker −20%#FE7500

Darker −30%#CB5E00

Darker −40%#984600

More saturated +25%#FFAC65

Less saturated −25%#ECAE78

Channel breakdown

R255

G172

B101

Red255 (100%)

Green172 (67.5%)

Blue101 (39.6%)

Hue27.66°

Saturation (HSL)100%

Lightness69.8%

Dominant channelRed

Hex per channelR FF · G AC · B 65

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFAc65 (chemical formula)

Formula
14,792.996 g/mol
67 atoms

FFAc65 has a molar mass of 14,792.996 g/mol, made up of 67 atoms across 2 elements: 2 × F, 65 × Ac.

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Molar mass

Molar mass14,792.996 g/mol

Total atoms per molecule67

Distinct elements2

Mass of one molecule2.4564348 × 10^-20 g

Molecules per gram4.0709406 × 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

F0.3%

Ac99.7%

Fluorine (F × 2)37.996 g/mol, 0.257%

Actinium (Ac × 65)14,755 g/mol, 99.743%

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Elements in this formula

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