Recognised as Colour
#FF8C24
- #FF8C24
- Orange
- Dark
- Nearest: Dark orange
#FF8C24 is a orange with RGB values 255, 140, 36 and HSL 28°, 100%, 57%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FF8C24#FF8C24
HEX#FF8C24
RGBrgb(255, 140, 36)
RGB (0–1)1, 0.549, 0.1412
RGB percentages100%, 54.9%, 14.1%
HSLhsl(28.5, 100%, 57.1%)
HSV / HSBhsv(28.5, 85.9%, 100%)
CMYK0%, 45.1%, 85.9%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,747,556
CSS custom property--colour: #FF8C24;
Brightness & contrast
Relative luminance0.40144WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.03:1
Contrast with white2.33:1WCAG normal text: Fail
Contrast with black9.03:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#0073DB
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.33:1WCAG large text: Fail
Contrast with black, large text9.03:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#2497FF
Analogous#FF242A, #FFF924
Triadic#24FF8C, #8C24FF
Split complementary#24FFFA, #2429FF
Tetradic#2AFF24, #2497FF, #F924FF
Tints, shades & saturation
Channel breakdown
R255
G140
B36
Red255 (100%)
Green140 (54.9%)
Blue36 (14.1%)
Hue28.49°
Saturation (HSL)100%
Lightness57.06%
Dominant channelRed
Hex per channelR FF · G 8C · B 24
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Also reads as
FF8C24 (chemical formula)
- Formula
- 459.246 g/mol
- 33 atoms
FF8C24 has a molar mass of 459.246 g/mol, made up of 33 atoms across 2 elements: 9 × F, 24 × C.
Molar mass
Molar mass459.246 g/mol
Total atoms per molecule33
Distinct elements2
Mass of one molecule7.6259592 × 10^-22 g
Molecules per gram1.3113104 × 10^21
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
F37.2%
C62.8%
Fluorine (F × 9)170.982 g/mol, 37.231%
Carbon (C × 24)288.264 g/mol, 62.769%
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