Recognised as Colour
#FF51B6
- #FF51B6
- Magenta
- Dark
- Nearest: Hot pink
#FF51B6 is a magenta with RGB values 255, 81, 182 and HSL 325°, 100%, 66%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Hot pink.
Colour values
#FF51B6#FF51B6
HEX#FF51B6
RGBrgb(255, 81, 182)
RGB (0–1)1, 0.3176, 0.7137
RGB percentages100%, 31.8%, 71.4%
HSLhsl(325.2, 100%, 65.9%)
HSV / HSBhsv(325.2, 68.2%, 100%)
CMYK0%, 68.2%, 28.6%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,732,598
CSS custom property--colour: #FF51B6;
Brightness & contrast
Relative luminance0.30522WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.1:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.1:1WCAG normal text: AAA
Greyscale equivalent#7D7D7D
Inverted#00AE49
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.1:1WCAG large text: AAA
Named colours
Hue familymagenta
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#51FF9A
Analogous#F151FF, #FF515F
Triadic#B6FF51, #51B6FF
Split complementary#5FFF51, #51FFF1
Tetradic#FFF151, #51FF9A, #515FFF
Tints, shades & saturation
Channel breakdown
R255
G81
B182
Red255 (100%)
Green81 (31.8%)
Blue182 (71.4%)
Hue325.17°
Saturation (HSL)100%
Lightness65.88%
Dominant channelRed
Hex per channelR FF · G 51 · B B6
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Also reads as
FF51B6 (chemical formula)
- Formula
- 1,052.756 g/mol
- 58 atoms
FF51B6 has a molar mass of 1,052.756 g/mol, made up of 58 atoms across 2 elements: 52 × F, 6 × B.
Molar mass
Molar mass1,052.756 g/mol
Total atoms per molecule58
Distinct elements2
Mass of one molecule1.7481425 × 10^-21 g
Molecules per gram5.7203576 × 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
F93.8%
B6.2%
Fluorine (F × 52)987.896 g/mol, 93.839%
Boron (B × 6)64.86 g/mol, 6.161%
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