Recognised as Colour

#FF974F

#FF974F
Orange
Dark
Nearest: Sandy brown

#FF974F is a orange with RGB values 255, 151, 79 and HSL 25°, 100%, 65%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.

Colour values

#FF974F#FF974F

HEX#FF974F

RGBrgb(255, 151, 79)

RGB (0–1)1, 0.5922, 0.3098

RGB percentages100%, 59.2%, 31%

HSLhsl(24.5, 100%, 65.5%)

HSV / HSBhsv(24.5, 69%, 100%)

CMYK0%, 40.8%, 69%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,750,415

CSS custom property--colour: #FF974F;

Brightness & contrast

Relative luminance0.43958WCAG 2.x, 0 is black and 1 is white

Perceived brightness183.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.79:1

Contrast with white2.14:1WCAG normal text: Fail

Contrast with black9.79:1WCAG normal text: AAA

Greyscale equivalent#A8A8A8

Inverted#0068B0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B5A347no red cones; affects about 1% of men; ΔE 38.6 from the original

Deuteranopia#CEBA4Fno green cones; the most common form, about 1% of men; ΔE 39 from the original

Tritanopia#FF8187no blue cones; rare, and affects men and women equally; ΔE 37.6 from the original

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

Contrast with white, large text2.14:1WCAG large text: Fail

Contrast with black, large text9.79:1WCAG large text: AAA

Named colours

Sandy brown · ΔE 12.3 Coral · ΔE 14.4 Peru · ΔE 16.7 Chocolate · ΔE 17 Light salmon · ΔE 19.2 Dark orange · ΔE 22.5

Nearest named CSS colourSandy brown (#F4A460)ΔE 12.3, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4FB7FF

Analogous#FF4F5F, #FFEF4F

Triadic#4FFF97, #974FFF

Split complementary#4FFFEF, #4F5FFF

Tetradic#5FFF4F, #4FB7FF, #EF4FFF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFF1E8

Lighter +20%#FFD3B5

Lighter +10%#FFB582

Darker −10%#FF791C

Darker −20%#E85F00

Darker −30%#B54A00

Darker −40%#823500

More saturated +25%#FF974F

Less saturated −25%#E99B65

Channel breakdown

R255

G151

B79

Red255 (100%)

Green151 (59.2%)

Blue79 (31%)

Hue24.55°

Saturation (HSL)100%

Lightness65.49%

Dominant channelRed

Hex per channelR FF · G 97 · B 4F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FF974F (chemical formula)

Formula
18,542.048 g/mol
976 atoms

FF974F has a molar mass of 18,542.048 g/mol, made up of 976 atoms across 1 element: 976 × F.

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Molar mass

Molar mass18,542.048 g/mol

Total atoms per molecule976

Distinct elements1

Mass of one molecule3.0789795 × 10^-20 g

Molecules per gram3.2478293 × 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

F100%

Fluorine (F × 976)18,542.048 g/mol, 100%

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Elements in this formula

Fluorine

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