Recognised as Colour

#FF701C

#FF701C
Orange
Dark
Nearest: Dark orange

#FF701C is a orange with RGB values 255, 112, 28 and HSL 22°, 100%, 55%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FF701C#FF701C

HEX#FF701C

RGBrgb(255, 112, 28)

RGB (0–1)1, 0.4392, 0.1098

RGB percentages100%, 43.9%, 11%

HSLhsl(22.2, 100%, 55.5%)

HSV / HSBhsv(22.2, 89%, 100%)

CMYK0%, 56.1%, 89%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,740,380

CSS custom property--colour: #FF701C;

Brightness & contrast

Relative luminance0.32932WCAG 2.x, 0 is black and 1 is white

Perceived brightness164 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.59:1

Contrast with white2.77:1WCAG normal text: Fail

Contrast with black7.59:1WCAG normal text: AAA

Greyscale equivalent#888888

Inverted#008FE3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#998702no red cones; affects about 1% of men; ΔE 56.7 from the original

Deuteranopia#BCA813no green cones; the most common form, about 1% of men; ΔE 57.6 from the original

Tritanopia#FF4D61no blue cones; rare, and affects men and women equally; ΔE 42 from the original

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

Contrast with white, large text2.77:1WCAG large text: Fail

Contrast with black, large text7.59:1WCAG large text: AAA

Named colours

Dark orange · ΔE 17.4 Orange red · ΔE 18.4 Chocolate · ΔE 18.8 Coral · ΔE 20.2 Tomato · ΔE 21.5 Red · ΔE 31.3

Nearest named CSS colourDark orange (#FF8C00)ΔE 17.36, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1CABFF

Analogous#FF1C39, #FFE21C

Triadic#1CFF70, #701CFF

Split complementary#1CFFE1, #1C3AFF

Tetradic#39FF1C, #1CABFF, #E11CFF

Tints, shades & saturation

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

Lighter +40%#FFF1E8

Lighter +30%#FFD0B5

Lighter +20%#FFB082

Lighter +10%#FF904F

Darker −10%#E85600

Darker −20%#B54300

Darker −30%#823000

Darker −40%#4F1D00

More saturated +25%#FF701C

Less saturated −25%#E37738

Channel breakdown

R255

G112

B28

Red255 (100%)

Green112 (43.9%)

Blue28 (11%)

Hue22.2°

Saturation (HSL)100%

Lightness55.49%

Dominant channelRed

Hex per channelR FF · G 70 · B 1C

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF701C (chemical formula)

Formula
13,348.607 g/mol
703 atoms

FF701C has a molar mass of 13,348.607 g/mol, made up of 703 atoms across 2 elements: 702 × F, 1 × C.

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Molar mass

Molar mass13,348.607 g/mol

Total atoms per molecule703

Distinct elements2

Mass of one molecule2.2165883 × 10^-20 g

Molecules per gram4.5114376 × 10^19

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

F99.9%

C0.1%

Fluorine (F × 702)13,336.596 g/mol, 99.91%

Carbon (C)12.011 g/mol, 0.09%

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Elements in this formula

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