Recognised as Colour

#FF8610

#FF8610
Orange
Dark
Nearest: Dark orange

#FF8610 is a orange with RGB values 255, 134, 16 and HSL 30°, 100%, 53%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF8610#FF8610

HEX#FF8610

RGBrgb(255, 134, 16)

RGB (0–1)1, 0.5255, 0.0627

RGB percentages100%, 52.5%, 6.3%

HSLhsl(29.6, 100%, 53.1%)

HSV / HSBhsv(29.6, 93.7%, 100%)

CMYK0%, 47.5%, 93.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,746,000

CSS custom property--colour: #FF8610;

Brightness & contrast

Relative luminance0.38348WCAG 2.x, 0 is black and 1 is white

Perceived brightness173.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.67:1

Contrast with white2.42:1WCAG normal text: Fail

Contrast with black8.67:1WCAG normal text: AAA

Greyscale equivalent#979797

Inverted#0079EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#AA9500no red cones; affects about 1% of men; ΔE 45.9 from the original

Deuteranopia#C7B10Bno green cones; the most common form, about 1% of men; ΔE 46.7 from the original

Tritanopia#FF6A73no blue cones; rare, and affects men and women equally; ΔE 51.3 from the original

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

Contrast with white, large text2.42:1WCAG large text: Fail

Contrast with black, large text8.67:1WCAG large text: AAA

Named colours

Dark orange · ΔE 4.6 Orange · ΔE 18.6 Chocolate · ΔE 20.1 Coral · ΔE 25.5 Orange red · ΔE 30 Sandy brown · ΔE 31.3

Nearest named CSS colourDark orange (#FF8C00)ΔE 4.55, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1089FF

Analogous#FF1011, #FFFD10

Triadic#10FF86, #8610FF

Split complementary#10FFFD, #1012FF

Tetradic#12FF10, #1089FF, #FD10FF

Tints, shades & saturation

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

Lighter +40%#FFEDDC

Lighter +30%#FFD3A9

Lighter +20%#FFBA76

Lighter +10%#FFA043

Darker −10%#DC6D00

Darker −20%#A95300

Darker −30%#763A00

Darker −40%#432100

More saturated +25%#FF8610

Less saturated −25%#E1862E

Channel breakdown

R255

G134

B16

Red255 (100%)

Green134 (52.5%)

Blue16 (6.3%)

Hue29.62°

Saturation (HSL)100%

Lightness53.14%

Dominant channelRed

Hex per channelR FF · G 86 · B 10

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF8610 (chemical formula)

Formula
163,591.778 g/mol
8611 atoms

FF8610 has a molar mass of 163,591.778 g/mol, made up of 8611 atoms across 1 element: 8611 × F.

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Molar mass

Molar mass163,591.778 g/mol

Total atoms per molecule8611

Distinct elements1

Mass of one molecule2.7165054 × 10^-19 g

Molecules per gram3.6812001 × 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 × 8611)163,591.778 g/mol, 100%

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Elements in this formula

Fluorine

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