Recognised as Colour

#FF7819

#FF7819
Orange
Dark
Nearest: Dark orange

#FF7819 is a orange with RGB values 255, 120, 25 and HSL 25°, 100%, 55%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF7819#FF7819

HEX#FF7819

RGBrgb(255, 120, 25)

RGB (0–1)1, 0.4706, 0.098

RGB percentages100%, 47.1%, 9.8%

HSLhsl(24.8, 100%, 54.9%)

HSV / HSBhsv(24.8, 90.2%, 100%)

CMYK0%, 52.9%, 90.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,742,425

CSS custom property--colour: #FF7819;

Brightness & contrast

Relative luminance0.34763WCAG 2.x, 0 is black and 1 is white

Perceived brightness167.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.95:1

Contrast with white2.64:1WCAG normal text: Fail

Contrast with black7.95:1WCAG normal text: AAA

Greyscale equivalent#8E8E8E

Inverted#0087E6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#9F8C00no red cones; affects about 1% of men; ΔE 52.9 from the original

Deuteranopia#C0AB11no green cones; the most common form, about 1% of men; ΔE 53.6 from the original

Tritanopia#FF5868no blue cones; rare, and affects men and women equally; ΔE 45.5 from the original

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

Contrast with white, large text2.64:1WCAG large text: Fail

Contrast with black, large text7.95:1WCAG large text: AAA

Named colours

Dark orange · ΔE 12.9 Chocolate · ΔE 18.2 Coral · ΔE 21.2 Orange red · ΔE 22.3 Tomato · ΔE 24.9 Orange · ΔE 26.9

Nearest named CSS colourDark orange (#FF8C00)ΔE 12.89, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19A0FF

Analogous#FF192D, #FFEB19

Triadic#19FF78, #7819FF

Split complementary#19FFEB, #192DFF

Tetradic#2DFF19, #19A0FF, #EB19FF

Tints, shades & saturation

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

Lighter +40%#FFF0E5

Lighter +30%#FFD2B2

Lighter +20%#FFB47F

Lighter +10%#FF964C

Darker −10%#E55F00

Darker −20%#B24A00

Darker −30%#7F3400

Darker −40%#4C1F00

More saturated +25%#FF7819

Less saturated −25%#E27D36

Channel breakdown

R255

G120

B25

Red255 (100%)

Green120 (47.1%)

Blue25 (9.8%)

Hue24.78°

Saturation (HSL)100%

Lightness54.9%

Dominant channelRed

Hex per channelR FF · G 78 · B 19

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF7819 (chemical formula)

Formula
148,564.36 g/mol
7820 atoms

FF7819 has a molar mass of 148,564.36 g/mol, made up of 7820 atoms across 1 element: 7820 × F.

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Molar mass

Molar mass148,564.36 g/mol

Total atoms per molecule7820

Distinct elements1

Mass of one molecule2.4669692 × 10^-19 g

Molecules per gram4.0535568 × 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 × 7820)148,564.36 g/mol, 100%

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Elements in this formula

Fluorine

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