Recognised as Colour
#FF8623
- #FF8623
- Orange
- Dark
- Nearest: Dark orange
#FF8623 is a orange with RGB values 255, 134, 35 and HSL 27°, 100%, 57%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FF8623#FF8623
HEX#FF8623
RGBrgb(255, 134, 35)
RGB (0–1)1, 0.5255, 0.1373
RGB percentages100%, 52.5%, 13.7%
HSLhsl(27, 100%, 56.9%)
HSV / HSBhsv(27, 86.3%, 100%)
CMYK0%, 47.5%, 86.3%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,746,019
CSS custom property--colour: #FF8623;
Brightness & contrast
Relative luminance0.38432WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.69:1
Contrast with white2.42:1WCAG normal text: Fail
Contrast with black8.69:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#0079DC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.42:1WCAG large text: Fail
Contrast with black, large text8.69:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#239CFF
Analogous#FF232E, #FFF423
Triadic#23FF86, #8623FF
Split complementary#23FFF4, #232EFF
Tetradic#2EFF23, #239CFF, #F423FF
Tints, shades & saturation
Channel breakdown
R255
G134
B35
Red255 (100%)
Green134 (52.5%)
Blue35 (13.7%)
Hue27°
Saturation (HSL)100%
Lightness56.86%
Dominant channelRed
Hex per channelR FF · G 86 · B 23
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Also reads as
FF8623 (chemical formula)
- Formula
- 163,838.752 g/mol
- 8624 atoms
FF8623 has a molar mass of 163,838.752 g/mol, made up of 8624 atoms across 1 element: 8624 × F.
Molar mass
Molar mass163,838.752 g/mol
Total atoms per molecule8624
Distinct elements1
Mass of one molecule2.7206065 × 10^-19 g
Molecules per gram3.675651 × 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 × 8624)163,838.752 g/mol, 100%
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