Recognised as Colour
#FF8316
- #FF8316
- Orange
- Dark
- Nearest: Dark orange
#FF8316 is a orange with RGB values 255, 131, 22 and HSL 28°, 100%, 54%. It is a dark colour, so black text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FF8316#FF8316
HEX#FF8316
RGBrgb(255, 131, 22)
RGB (0–1)1, 0.5137, 0.0863
RGB percentages100%, 51.4%, 8.6%
HSLhsl(28.1, 100%, 54.3%)
HSV / HSBhsv(28.1, 91.4%, 100%)
CMYK0%, 48.6%, 91.4%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,745,238
CSS custom property--colour: #FF8316;
Brightness & contrast
Relative luminance0.37551WCAG 2.x, 0 is black and 1 is white
Perceived brightness172 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.51:1
Contrast with white2.47:1WCAG normal text: Fail
Contrast with black8.51:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#007CE9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.47:1WCAG large text: Fail
Contrast with black, large text8.51:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#1692FF
Analogous#FF161E, #FFF716
Triadic#16FF83, #8316FF
Split complementary#16FFF7, #161EFF
Tetradic#1EFF16, #1692FF, #F716FF
Tints, shades & saturation
Channel breakdown
R255
G131
B22
Red255 (100%)
Green131 (51.4%)
Blue22 (8.6%)
Hue28.07°
Saturation (HSL)100%
Lightness54.31%
Dominant channelRed
Hex per channelR FF · G 83 · B 16
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Also reads as
FF8316 (chemical formula)
- Formula
- 158,006.366 g/mol
- 8317 atoms
FF8316 has a molar mass of 158,006.366 g/mol, made up of 8317 atoms across 1 element: 8317 × F.
Molar mass
Molar mass158,006.366 g/mol
Total atoms per molecule8317
Distinct elements1
Mass of one molecule2.6237574 × 10^-19 g
Molecules per gram3.8113279 × 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 × 8317)158,006.366 g/mol, 100%
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