Recognised as Colour

#FF6522

#FF6522
Orange
Dark
Nearest: Orange red

#FF6522 is a orange with RGB values 255, 101, 34 and HSL 18°, 100%, 57%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Orange red.

Colour values

#FF6522#FF6522

HEX#FF6522

RGBrgb(255, 101, 34)

RGB (0–1)1, 0.3961, 0.1333

RGB percentages100%, 39.6%, 13.3%

HSLhsl(18.2, 100%, 56.7%)

HSV / HSBhsv(18.2, 86.7%, 100%)

CMYK0%, 60.4%, 86.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,737,570

CSS custom property--colour: #FF6522;

Brightness & contrast

Relative luminance0.30683WCAG 2.x, 0 is black and 1 is white

Perceived brightness159.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.14:1

Contrast with white2.94:1WCAG normal text: Fail

Contrast with black7.14:1WCAG normal text: AAA

Greyscale equivalent#818181

Inverted#009ADD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#928113no red cones; affects about 1% of men; ΔE 61.6 from the original

Deuteranopia#B7A318no green cones; the most common form, about 1% of men; ΔE 62.1 from the original

Tritanopia#FF3C59no blue cones; rare, and affects men and women equally; ΔE 37.2 from the original

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

Contrast with white, large text2.94:1WCAG large text: Fail

Contrast with black, large text7.14:1WCAG large text: AAA

Named colours

Orange red · ΔE 14 Tomato · ΔE 17 Coral · ΔE 19.6 Chocolate · ΔE 20.8 Dark orange · ΔE 23.7 Red · ΔE 26.2

Nearest named CSS colourOrange red (#FF4500)ΔE 14.03, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22BCFF

Analogous#FF224E, #FFD422

Triadic#22FF65, #6522FF

Split complementary#22FFD3, #224EFF

Tetradic#4DFF22, #22BCFF, #D322FF

Tints, shades & saturation

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

Lighter +40%#FFF3EE

Lighter +30%#FFD0BB

Lighter +20%#FFAC88

Lighter +10%#FF8955

Darker −10%#EE4800

Darker −20%#BB3900

Darker −30%#882900

Darker −40%#551A00

More saturated +25%#FF6522

Less saturated −25%#E3703E

Channel breakdown

R255

G101

B34

Red255 (100%)

Green101 (39.6%)

Blue34 (13.3%)

Hue18.19°

Saturation (HSL)100%

Lightness56.67%

Dominant channelRed

Hex per channelR FF · G 65 · B 22

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF6522 (chemical formula)

Formula
123,923.954 g/mol
6523 atoms

FF6522 has a molar mass of 123,923.954 g/mol, made up of 6523 atoms across 1 element: 6523 × F.

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Molar mass

Molar mass123,923.954 g/mol

Total atoms per molecule6523

Distinct elements1

Mass of one molecule2.0578057 × 10^-19 g

Molecules per gram4.8595454 × 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 × 6523)123,923.954 g/mol, 100%

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Elements in this formula

Fluorine

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