Recognised as Colour
#F35300
- #F35300
- Orange
- Dark
- Nearest: Orange red
#F35300 is a orange with RGB values 243, 83, 0 and HSL 20°, 100%, 48%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#F35300#F35300
HEX#F35300
RGBrgb(243, 83, 0)
RGB (0–1)0.9529, 0.3255, 0
RGB percentages95.3%, 32.5%, 0%
HSLhsl(20.5, 100%, 47.6%)
HSV / HSBhsv(20.5, 100%, 95.3%)
CMYK0%, 65.8%, 100%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,946,496
CSS custom property--colour: #F35300;
Brightness & contrast
Relative luminance0.25241WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.05:1
Contrast with white3.47:1WCAG normal text: Fail
Contrast with black6.05:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#0CACFF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.47:1WCAG large text: AA
Contrast with black, large text6.05:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00A0F3
Analogous#F30026, #F3CC00
Triadic#00F353, #5300F3
Split complementary#00F3CC, #0027F3
Tetradic#27F300, #00A0F3, #CC00F3
Tints, shades & saturation
Channel breakdown
R243
G83
B0
Red243 (95.3%)
Green83 (32.5%)
Blue0 (0%)
Hue20.49°
Saturation (HSL)100%
Lightness47.65%
Dominant channelRed
Hex per channelR F3 · G 53 · B 00
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Also reads as
F35300 (chemical formula)
- Formula
- 670,629.4 g/mol
- 35300 atoms
F35300 has a molar mass of 670,629.4 g/mol, made up of 35300 atoms across 1 element: 35300 × F.
Molar mass
Molar mass670,629.4 g/mol
Total atoms per molecule35300
Distinct elements1
Mass of one molecule1.1136063 × 10^-18 g
Molecules per gram8.9798341 × 10^17
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 × 35300)670,629.4 g/mol, 100%
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