Recognised as Colour
#FB81CF
- #FB81CF
- Magenta
- Dark
- Nearest: Hot pink
#FB81CF is a magenta with RGB values 251, 129, 207 and HSL 322°, 94%, 75%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Hot pink.
Colour values
#FB81CF#FB81CF
HEX#FB81CF
RGBrgb(251, 129, 207)
RGB (0–1)0.9843, 0.5059, 0.8118
RGB percentages98.4%, 50.6%, 81.2%
HSLhsl(321.6, 93.8%, 74.5%)
HSV / HSBhsv(321.6, 48.6%, 98.4%)
CMYK0%, 48.6%, 17.5%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,482,767
CSS custom property--colour: #FB81CF;
Brightness & contrast
Relative luminance0.40715WCAG 2.x, 0 is black and 1 is white
Perceived brightness183 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.14:1
Contrast with white2.3:1WCAG normal text: Fail
Contrast with black9.14:1WCAG normal text: AAA
Greyscale equivalent#A1A1A1
Inverted#047E30
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.3:1WCAG large text: Fail
Contrast with black, large text9.14:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#81FBAD
Analogous#EA81FB, #FB8192
Triadic#CFFB81, #81CFFB
Split complementary#92FB81, #81FBEA
Tetradic#FBEA81, #81FBAD, #8192FB
Tints, shades & saturation
Channel breakdown
R251
G129
B207
Red251 (98.4%)
Green129 (50.6%)
Blue207 (81.2%)
Hue321.64°
Saturation (HSL)93.85%
Lightness74.51%
Dominant channelRed
Hex per channelR FB · G 81 · B CF
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Also reads as
FB81CF (chemical formula)
- Formula
- 925.617 g/mol
- 84 atoms
FB81CF has a molar mass of 925.617 g/mol, made up of 84 atoms across 3 elements: 2 × F, 81 × B, 1 × C.
Molar mass
Molar mass925.617 g/mol
Total atoms per molecule84
Distinct elements3
Mass of one molecule1.5370232 × 10^-21 g
Molecules per gram6.5060827 × 10^20
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
F4.1%
B94.6%
C1.3%
Fluorine (F × 2)37.996 g/mol, 4.105%
Boron (B × 81)875.61 g/mol, 94.597%
Carbon (C)12.011 g/mol, 1.298%
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