Recognised as Colour

#F7470B

#F7470B
Orange
Dark
Nearest: Orange red

#F7470B is a orange with RGB values 247, 71, 11 and HSL 15°, 94%, 51%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F7470B#F7470B

HEX#F7470B

RGBrgb(247, 71, 11)

RGB (0–1)0.9686, 0.2784, 0.0431

RGB percentages96.9%, 27.8%, 4.3%

HSLhsl(15.3, 93.7%, 50.6%)

HSV / HSBhsv(15.3, 95.5%, 96.9%)

CMYK0%, 71.3%, 95.5%, 3.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,205,579

CSS custom property--colour: #F7470B;

Brightness & contrast

Relative luminance0.24305WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.86:1

Contrast with white3.58:1WCAG normal text: Fail

Contrast with black5.86:1WCAG normal text: AA

Greyscale equivalent#686868

Inverted#08B8F4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7E6E00no red cones; affects about 1% of men; ΔE 70.5 from the original

Deuteranopia#A99600no green cones; the most common form, about 1% of men; ΔE 70.8 from the original

Tritanopia#FF003Fno blue cones; rare, and affects men and women equally; ΔE 29.3 from the original

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

Contrast with white, large text3.58:1WCAG large text: AA

Contrast with black, large text5.86:1WCAG large text: AAA

Named colours

Orange red · ΔE 4.9 Red · ΔE 15.8 Tomato · ΔE 20.9 Coral · ΔE 28.5 Chocolate · ΔE 29 Dark orange · ΔE 32.5

Nearest named CSS colourOrange red (#FF4500)ΔE 4.89, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0BBBF7

Analogous#F70B45, #F7BD0B

Triadic#0BF747, #470BF7

Split complementary#0BF7BD, #0B45F7

Tetradic#45F70B, #0BBBF7, #BD0BF7

Tints, shades & saturation

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

Lighter +40%#FDDCD1

Lighter +30%#FCB79F

Lighter +20%#FA916E

Lighter +10%#F96C3C

Darker −10%#C83807

Darker −20%#972A05

Darker −30%#661C03

Darker −40%#340F02

More saturated +25%#FF4303

Less saturated −25%#D7562B

Channel breakdown

R247

G71

B11

Red247 (96.9%)

Green71 (27.8%)

Blue11 (4.3%)

Hue15.25°

Saturation (HSL)93.65%

Lightness50.59%

Dominant channelRed

Hex per channelR F7 · G 47 · B 0B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

F7470B (chemical formula)

Formula
141,925.87 g/mol
7471 atoms

F7470B has a molar mass of 141,925.87 g/mol, made up of 7471 atoms across 2 elements: 7470 × F, 1 × B.

Open this reading on its own page →

Molar mass

Molar mass141,925.87 g/mol

Total atoms per molecule7471

Distinct elements2

Mass of one molecule2.3567345 × 10^-19 g

Molecules per gram4.2431593 × 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%

B0%

Fluorine (F × 7470)141,915.06 g/mol, 99.992%

Boron (B)10.81 g/mol, 0.008%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page