Recognised as Colour

#FF5606

#FF5606
Orange
Dark
Nearest: Orange red

#FF5606 is a orange with RGB values 255, 86, 6 and HSL 19°, 100%, 51%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#FF5606#FF5606

HEX#FF5606

RGBrgb(255, 86, 6)

RGB (0–1)1, 0.3373, 0.0235

RGB percentages100%, 33.7%, 2.4%

HSLhsl(19.3, 100%, 51.2%)

HSV / HSBhsv(19.3, 97.6%, 100%)

CMYK0%, 66.3%, 97.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,733,702

CSS custom property--colour: #FF5606;

Brightness & contrast

Relative luminance0.27929WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.59:1

Contrast with white3.19:1WCAG normal text: Fail

Contrast with black6.59:1WCAG normal text: AA

Greyscale equivalent#747474

Inverted#00A9F9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#897800no red cones; affects about 1% of men; ΔE 67.9 from the original

Deuteranopia#B29E00no green cones; the most common form, about 1% of men; ΔE 68 from the original

Tritanopia#FF174Bno blue cones; rare, and affects men and women equally; ΔE 38.6 from the original

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

Contrast with white, large text3.19:1WCAG large text: AA

Contrast with black, large text6.59:1WCAG large text: AAA

Named colours

Orange red · ΔE 6.5 Red · ΔE 19.6 Tomato · ΔE 23 Dark orange · ΔE 27.5 Chocolate · ΔE 27.8 Coral · ΔE 28

Nearest named CSS colourOrange red (#FF4500)ΔE 6.48, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#06AFFF

Analogous#FF0632, #FFD306

Triadic#06FF56, #5606FF

Split complementary#06FFD3, #0632FF

Tetradic#32FF06, #06AFFF, #D306FF

Tints, shades & saturation

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

Lighter +40%#FFE0D2

Lighter +30%#FFBE9F

Lighter +20%#FF9B6C

Lighter +10%#FF7939

Darker −10%#D24300

Darker −20%#9F3300

Darker −30%#6C2300

Darker −40%#391200

More saturated +25%#FF5606

Less saturated −25%#E06125

Channel breakdown

R255

G86

Red255 (100%)

Green86 (33.7%)

Blue6 (2.4%)

Hue19.28°

Saturation (HSL)100%

Lightness51.18%

Dominant channelRed

Hex per channelR FF · G 56 · B 06

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF5606 (chemical formula)

Formula
106,521.786 g/mol
5607 atoms

FF5606 has a molar mass of 106,521.786 g/mol, made up of 5607 atoms across 1 element: 5607 × F.

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Molar mass

Molar mass106,521.786 g/mol

Total atoms per molecule5607

Distinct elements1

Mass of one molecule1.7688359 × 10^-19 g

Molecules per gram5.6534358 × 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 × 5607)106,521.786 g/mol, 100%

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Elements in this formula

Fluorine

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