Recognised as Colour

#FF8647

#FF8647
Orange
Dark
Nearest: Coral

#FF8647 is a orange with RGB values 255, 134, 71 and HSL 21°, 100%, 64%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Coral.

Colour values

#FF8647#FF8647

HEX#FF8647

RGBrgb(255, 134, 71)

RGB (0–1)1, 0.5255, 0.2784

RGB percentages100%, 52.5%, 27.8%

HSLhsl(20.5, 100%, 63.9%)

HSV / HSBhsv(20.5, 72.2%, 100%)

CMYK0%, 47.5%, 72.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,746,055

CSS custom property--colour: #FF8647;

Brightness & contrast

Relative luminance0.38765WCAG 2.x, 0 is black and 1 is white

Perceived brightness174.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.75:1

Contrast with white2.4:1WCAG normal text: Fail

Contrast with black8.75:1WCAG normal text: AAA

Greyscale equivalent#9B9B9B

Inverted#0079B8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#A89740no red cones; affects about 1% of men; ΔE 46.8 from the original

Deuteranopia#C5B245no green cones; the most common form, about 1% of men; ΔE 47.6 from the original

Tritanopia#FF6D78no blue cones; rare, and affects men and women equally; ΔE 34.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.4:1WCAG large text: Fail

Contrast with black, large text8.75:1WCAG large text: AAA

Named colours

Coral · ΔE 7.2 Chocolate · ΔE 13.8 Tomato · ΔE 18.9 Sandy brown · ΔE 20.3 Peru · ΔE 21.9 Light salmon · ΔE 22.2

Nearest named CSS colourCoral (#FF7F50)ΔE 7.16, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#47C0FF

Analogous#FF4764, #FFE247

Triadic#47FF86, #8647FF

Split complementary#47FFE2, #4764FF

Tetradic#64FF47, #47C0FF, #E247FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFEBE0

Lighter +20%#FFC9AD

Lighter +10%#FFA87A

Darker −10%#FF6414

Darker −20%#E04D00

Darker −30%#AD3B00

Darker −40%#7A2A00

More saturated +25%#FF8647

Less saturated −25%#E88D5E

Channel breakdown

R255

G134

B71

Red255 (100%)

Green134 (52.5%)

Blue71 (27.8%)

Hue20.54°

Saturation (HSL)100%

Lightness63.92%

Dominant channelRed

Hex per channelR FF · G 86 · B 47

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

FF8647 (chemical formula)

Formula
164,294.704 g/mol
8648 atoms

FF8647 has a molar mass of 164,294.704 g/mol, made up of 8648 atoms across 1 element: 8648 × F.

Open this reading on its own page →

Molar mass

Molar mass164,294.704 g/mol

Total atoms per molecule8648

Distinct elements1

Mass of one molecule2.7281777 × 10^-19 g

Molecules per gram3.6654503 × 10^18

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

F100%

Fluorine (F × 8648)164,294.704 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page