Recognised as Colour
#FE51B3
- #FE51B3
- Magenta
- Dark
- Nearest: Hot pink
#FE51B3 is a magenta with RGB values 254, 81, 179 and HSL 326°, 99%, 66%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Hot pink.
Colour values
#FE51B3#FE51B3
HEX#FE51B3
RGBrgb(254, 81, 179)
RGB (0–1)0.9961, 0.3176, 0.702
RGB percentages99.6%, 31.8%, 70.2%
HSLhsl(326, 98.9%, 65.7%)
HSV / HSBhsv(326, 68.1%, 99.6%)
CMYK0%, 68.1%, 29.5%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,667,059
CSS custom property--colour: #FE51B3;
Brightness & contrast
Relative luminance0.3021WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.04:1
Contrast with white2.98:1WCAG normal text: Fail
Contrast with black7.04:1WCAG normal text: AAA
Greyscale equivalent#7D7D7D
Inverted#01AE4C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.98:1WCAG large text: Fail
Contrast with black, large text7.04:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#51FE9C
Analogous#F251FE, #FE515D
Triadic#B3FE51, #51B3FE
Split complementary#5CFE51, #51FEF3
Tetradic#FEF351, #51FE9C, #515CFE
Tints, shades & saturation
Channel breakdown
R254
G81
B179
Red254 (99.6%)
Green81 (31.8%)
Blue179 (70.2%)
Hue326.01°
Saturation (HSL)98.86%
Lightness65.69%
Dominant channelRed
Hex per channelR FE · G 51 · B B3
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Also reads as
Fe51B3 (chemical formula)
- Formula
- 2,880.525 g/mol
- 54 atoms
Fe51B3 has a molar mass of 2,880.525 g/mol, made up of 54 atoms across 2 elements: 51 × Fe, 3 × B.
Molar mass
Molar mass2,880.525 g/mol
Total atoms per molecule54
Distinct elements2
Mass of one molecule4.7832243 × 10^-21 g
Molecules per gram2.09064 × 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
Fe98.9%
B1.1%
Iron (Fe × 51)2,848.095 g/mol, 98.874%
Boron (B × 3)32.43 g/mol, 1.126%
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