Recognised as Colour
#F22700
- #F22700
- Red
- Dark
- Nearest: Orange red
#F22700 is a red with RGB values 242, 39, 0 and HSL 10°, 100%, 47%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Orange red.
Colour values
#F22700#F22700
HEX#F22700
RGBrgb(242, 39, 0)
RGB (0–1)0.949, 0.1529, 0
RGB percentages94.9%, 15.3%, 0%
HSLhsl(9.7, 100%, 47.5%)
HSV / HSBhsv(9.7, 100%, 94.9%)
CMYK0%, 83.9%, 100%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,869,696
CSS custom property--colour: #F22700;
Brightness & contrast
Relative luminance0.20328WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.07:1
Contrast with white4.15:1WCAG normal text: Fail
Contrast with black5.07:1WCAG normal text: AA
Greyscale equivalent#4F4F4F
Inverted#0DD8FF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.15:1WCAG large text: AA
Contrast with black, large text5.07:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#00CBF2
Analogous#F20052, #F2A000
Triadic#00F227, #2700F2
Split complementary#00F2A0, #0052F2
Tetradic#52F200, #00CBF2, #A000F2
Tints, shades & saturation
Channel breakdown
R242
G39
B0
Red242 (94.9%)
Green39 (15.3%)
Blue0 (0%)
Hue9.67°
Saturation (HSL)100%
Lightness47.45%
Dominant channelRed
Hex per channelR F2 · G 27 · B 00
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Also reads as
F22700 (chemical formula)
- Formula
- 431,254.6 g/mol
- 22700 atoms
F22700 has a molar mass of 431,254.6 g/mol, made up of 22700 atoms across 1 element: 22700 × F.
Molar mass
Molar mass431,254.6 g/mol
Total atoms per molecule22700
Distinct elements1
Mass of one molecule7.1611511 × 10^-19 g
Molecules per gram1.3964235 × 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 × 22700)431,254.6 g/mol, 100%
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