Recognised as Colour
#F90556
- #F90556
- Red
- Dark
- Nearest: Crimson
#F90556 is a red with RGB values 249, 5, 86 and HSL 340°, 96%, 50%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Crimson.
Colour values
#F90556#F90556
HEX#F90556
RGBrgb(249, 5, 86)
RGB (0–1)0.9765, 0.0196, 0.3373
RGB percentages97.6%, 2%, 33.7%
HSLhsl(340.1, 96.1%, 49.8%)
HSV / HSBhsv(340.1, 98%, 97.6%)
CMYK0%, 98%, 65.5%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,319,830
CSS custom property--colour: #F90556;
Brightness & contrast
Relative luminance0.2092WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.18:1
Contrast with white4.05:1WCAG normal text: Fail
Contrast with black5.18:1WCAG normal text: AA
Greyscale equivalent#3F3F3F
Inverted#06FAA9
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.05:1WCAG large text: AA
Contrast with black, large text5.18:1WCAG large text: AAA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#05F9A8
Analogous#F905D0, #F92E05
Triadic#56F905, #0556F9
Split complementary#05F92E, #05D0F9
Tetradic#D0F905, #05F9A8, #2E05F9
Tints, shades & saturation
Channel breakdown
R249
G5
B86
Red249 (97.6%)
Green5 (2%)
Blue86 (33.7%)
Hue340.08°
Saturation (HSL)96.06%
Lightness49.8%
Dominant channelRed
Hex per channelR F9 · G 05 · B 56
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Also reads as
F90556 (chemical formula)
- Formula
- 1,720,382.888 g/mol
- 90556 atoms
F90556 has a molar mass of 1,720,382.888 g/mol, made up of 90556 atoms across 1 element: 90556 × F.
Molar mass
Molar mass1,720,382.888 g/mol
Total atoms per molecule90556
Distinct elements1
Mass of one molecule2.856763 × 10^-18 g
Molecules per gram3.5004654 × 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 × 90556)1,720,382.888 g/mol, 100%
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